Home / 125,367.35-172,964.87-71,614.31

Finding the Fourth Proportional to 125,367.35, 172,964.87 and 71,614.31

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Solution

The fourth proportional to 125,367.35, 172,964.87 and 71,614.31 is: 98,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,367.35 : 172,964.87 = 71,614.31 : x
  2. Step 2: Convert to fraction form
    125,367.35/172,964.87 = 71,614.31/x
  3. Step 3: Cross multiply
    125,367.35x = 172,964.87 × 71,614.31
  4. Step 4: Simplify right side
    125,367.35x = 12,386,759,461.22
  5. Step 5: Solve for x
    x = 12,386,759,461.22/125,367.35
  6. Step 6: Final answer
    x = 98,803.71

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1.5x scale

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.