Home / 187,402.52-258,615.46-102,520.20

Finding the Fourth Proportional to 187,402.52, 258,615.46 and 102,520.20

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Solution

The fourth proportional to 187,402.52, 258,615.46 and 102,520.20 is: 141,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,402.52 : 258,615.46 = 102,520.20 : x
  2. Step 2: Convert to fraction form
    187,402.52/258,615.46 = 102,520.20/x
  3. Step 3: Cross multiply
    187,402.52x = 258,615.46 × 102,520.20
  4. Step 4: Simplify right side
    187,402.52x = 26,513,308,682.29
  5. Step 5: Solve for x
    x = 26,513,308,682.29/187,402.52
  6. Step 6: Final answer
    x = 141,477.87

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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.