Home / 217,070.12-299,557.68-126,488.24

Finding the Fourth Proportional to 217,070.12, 299,557.68 and 126,488.24

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Solution

The fourth proportional to 217,070.12, 299,557.68 and 126,488.24 is: 174,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,070.12 : 299,557.68 = 126,488.24 : x
  2. Step 2: Convert to fraction form
    217,070.12/299,557.68 = 126,488.24/x
  3. Step 3: Cross multiply
    217,070.12x = 299,557.68 × 126,488.24
  4. Step 4: Simplify right side
    217,070.12x = 37,890,523,721.68
  5. Step 5: Solve for x
    x = 37,890,523,721.68/217,070.12
  6. Step 6: Final answer
    x = 174,554.30

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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.