Home / 187,130.70-258,242.18-102,247.76

Finding the Fourth Proportional to 187,130.70, 258,242.18 and 102,247.76

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Solution

The fourth proportional to 187,130.70, 258,242.18 and 102,247.76 is: 141,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,130.70 : 258,242.18 = 102,247.76 : x
  2. Step 2: Convert to fraction form
    187,130.70/258,242.18 = 102,247.76/x
  3. Step 3: Cross multiply
    187,130.70x = 258,242.18 × 102,247.76
  4. Step 4: Simplify right side
    187,130.70x = 26,404,684,442.52
  5. Step 5: Solve for x
    x = 26,404,684,442.52/187,130.70
  6. Step 6: Final answer
    x = 141,102.90

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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.