Home / 124,866.08-172,272.96-71,113

Finding the Fourth Proportional to 124,866.08, 172,272.96 and 71,113

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Solution

The fourth proportional to 124,866.08, 172,272.96 and 71,113 is: 98,111.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,866.08 : 172,272.96 = 71,113 : x
  2. Step 2: Convert to fraction form
    124,866.08/172,272.96 = 71,113/x
  3. Step 3: Cross multiply
    124,866.08x = 172,272.96 × 71,113
  4. Step 4: Simplify right side
    124,866.08x = 12,250,847,004.48
  5. Step 5: Solve for x
    x = 12,250,847,004.48/124,866.08
  6. Step 6: Final answer
    x = 98,111.89

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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.