Home / 187,685.13-281,543.06-54,565.22

Finding the Fourth Proportional to 187,685.13, 281,543.06 and 54,565.22

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Solution

The fourth proportional to 187,685.13, 281,543.06 and 54,565.22 is: 81,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,685.13 : 281,543.06 = 54,565.22 : x
  2. Step 2: Convert to fraction form
    187,685.13/281,543.06 = 54,565.22/x
  3. Step 3: Cross multiply
    187,685.13x = 281,543.06 × 54,565.22
  4. Step 4: Simplify right side
    187,685.13x = 15,362,459,541.71
  5. Step 5: Solve for x
    x = 15,362,459,541.71/187,685.13
  6. Step 6: Final answer
    x = 81,852.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.