Home / 187,280.10-258,417.54-106,711.02

Finding the Fourth Proportional to 187,280.10, 258,417.54 and 106,711.02

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Solution

The fourth proportional to 187,280.10, 258,417.54 and 106,711.02 is: 147,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,280.10 : 258,417.54 = 106,711.02 : x
  2. Step 2: Convert to fraction form
    187,280.10/258,417.54 = 106,711.02/x
  3. Step 3: Cross multiply
    187,280.10x = 258,417.54 × 106,711.02
  4. Step 4: Simplify right side
    187,280.10x = 27,575,999,279.29
  5. Step 5: Solve for x
    x = 27,575,999,279.29/187,280.10
  6. Step 6: Final answer
    x = 147,244.68

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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.