Home / 187,325.70-258,509.37-102,442.80

Finding the Fourth Proportional to 187,325.70, 258,509.37 and 102,442.80

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Solution

The fourth proportional to 187,325.70, 258,509.37 and 102,442.80 is: 141,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,325.70 : 258,509.37 = 102,442.80 : x
  2. Step 2: Convert to fraction form
    187,325.70/258,509.37 = 102,442.80/x
  3. Step 3: Cross multiply
    187,325.70x = 258,509.37 × 102,442.80
  4. Step 4: Simplify right side
    187,325.70x = 26,482,423,689.04
  5. Step 5: Solve for x
    x = 26,482,423,689.04/187,325.70
  6. Step 6: Final answer
    x = 141,371.01

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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.