Home / 187,542.12-258,807.64-101,501.28

Finding the Fourth Proportional to 187,542.12, 258,807.64 and 101,501.28

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Solution

The fourth proportional to 187,542.12, 258,807.64 and 101,501.28 is: 140,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,542.12 : 258,807.64 = 101,501.28 : x
  2. Step 2: Convert to fraction form
    187,542.12/258,807.64 = 101,501.28/x
  3. Step 3: Cross multiply
    187,542.12x = 258,807.64 × 101,501.28
  4. Step 4: Simplify right side
    187,542.12x = 26,269,306,733.78
  5. Step 5: Solve for x
    x = 26,269,306,733.78/187,542.12
  6. Step 6: Final answer
    x = 140,071.50

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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.