Home / 125,053.53-172,590.30-71,326.23

Finding the Fourth Proportional to 125,053.53, 172,590.30 and 71,326.23

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Solution

The fourth proportional to 125,053.53, 172,590.30 and 71,326.23 is: 98,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,053.53 : 172,590.30 = 71,326.23 : x
  2. Step 2: Convert to fraction form
    125,053.53/172,590.30 = 71,326.23/x
  3. Step 3: Cross multiply
    125,053.53x = 172,590.30 × 71,326.23
  4. Step 4: Simplify right side
    125,053.53x = 12,310,215,433.57
  5. Step 5: Solve for x
    x = 12,310,215,433.57/125,053.53
  6. Step 6: Final answer
    x = 98,439.57

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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.