Home / 245,624.13-338,958.90-136,726.74

Finding the Fourth Proportional to 245,624.13, 338,958.90 and 136,726.74

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Solution

The fourth proportional to 245,624.13, 338,958.90 and 136,726.74 is: 188,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,624.13 : 338,958.90 = 136,726.74 : x
  2. Step 2: Convert to fraction form
    245,624.13/338,958.90 = 136,726.74/x
  3. Step 3: Cross multiply
    245,624.13x = 338,958.90 × 136,726.74
  4. Step 4: Simplify right side
    245,624.13x = 46,344,744,543.59
  5. Step 5: Solve for x
    x = 46,344,744,543.59/245,624.13
  6. Step 6: Final answer
    x = 188,681.56

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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.