Home / 187,316.52-258,424.56-115,572.12

Finding the Fourth Proportional to 187,316.52, 258,424.56 and 115,572.12

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Solution

The fourth proportional to 187,316.52, 258,424.56 and 115,572.12 is: 159,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,316.52 : 258,424.56 = 115,572.12 : x
  2. Step 2: Convert to fraction form
    187,316.52/258,424.56 = 115,572.12/x
  3. Step 3: Cross multiply
    187,316.52x = 258,424.56 × 115,572.12
  4. Step 4: Simplify right side
    187,316.52x = 29,866,674,259.27
  5. Step 5: Solve for x
    x = 29,866,674,259.27/187,316.52
  6. Step 6: Final answer
    x = 159,444.96

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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.