Home / 108,467.17-149,683.55-60,720.91

Finding the Fourth Proportional to 108,467.17, 149,683.55 and 60,720.91

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Solution

The fourth proportional to 108,467.17, 149,683.55 and 60,720.91 is: 83,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,467.17 : 149,683.55 = 60,720.91 : x
  2. Step 2: Convert to fraction form
    108,467.17/149,683.55 = 60,720.91/x
  3. Step 3: Cross multiply
    108,467.17x = 149,683.55 × 60,720.91
  4. Step 4: Simplify right side
    108,467.17x = 9,088,921,519.83
  5. Step 5: Solve for x
    x = 9,088,921,519.83/108,467.17
  6. Step 6: Final answer
    x = 83,794.22

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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.