Home / 125,276.49-172,888.02-71,567.46

Finding the Fourth Proportional to 125,276.49, 172,888.02 and 71,567.46

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Solution

The fourth proportional to 125,276.49, 172,888.02 and 71,567.46 is: 98,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,276.49 : 172,888.02 = 71,567.46 : x
  2. Step 2: Convert to fraction form
    125,276.49/172,888.02 = 71,567.46/x
  3. Step 3: Cross multiply
    125,276.49x = 172,888.02 × 71,567.46
  4. Step 4: Simplify right side
    125,276.49x = 12,373,156,455.83
  5. Step 5: Solve for x
    x = 12,373,156,455.83/125,276.49
  6. Step 6: Final answer
    x = 98,766.79

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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.