Home / 125,228.50-172,833.04-77,497.22

Finding the Fourth Proportional to 125,228.50, 172,833.04 and 77,497.22

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Solution

The fourth proportional to 125,228.50, 172,833.04 and 77,497.22 is: 106,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,228.50 : 172,833.04 = 77,497.22 : x
  2. Step 2: Convert to fraction form
    125,228.50/172,833.04 = 77,497.22/x
  3. Step 3: Cross multiply
    125,228.50x = 172,833.04 × 77,497.22
  4. Step 4: Simplify right side
    125,228.50x = 13,394,080,653.10
  5. Step 5: Solve for x
    x = 13,394,080,653.10/125,228.50
  6. Step 6: Final answer
    x = 106,957.13

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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.