Home / 86,256.74-129,397.26-30,088.66

Finding the Fourth Proportional to 86,256.74, 129,397.26 and 30,088.66

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Solution

The fourth proportional to 86,256.74, 129,397.26 and 30,088.66 is: 45,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256.74 : 129,397.26 = 30,088.66 : x
  2. Step 2: Convert to fraction form
    86,256.74/129,397.26 = 30,088.66/x
  3. Step 3: Cross multiply
    86,256.74x = 129,397.26 × 30,088.66
  4. Step 4: Simplify right side
    86,256.74x = 3,893,389,538.54
  5. Step 5: Solve for x
    x = 3,893,389,538.54/86,256.74
  6. Step 6: Final answer
    x = 45,137.22

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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.