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Finding the Fourth Proportional to 187,360.70, 258,563.88 and 102,477.76

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Solution

The fourth proportional to 187,360.70, 258,563.88 and 102,477.76 is: 141,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,360.70 : 258,563.88 = 102,477.76 : x
  2. Step 2: Convert to fraction form
    187,360.70/258,563.88 = 102,477.76/x
  3. Step 3: Cross multiply
    187,360.70x = 258,563.88 × 102,477.76
  4. Step 4: Simplify right side
    187,360.70x = 26,497,046,592.90
  5. Step 5: Solve for x
    x = 26,497,046,592.90/187,360.70
  6. Step 6: Final answer
    x = 141,422.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.