Home / 90,154.04-124,404.18-49,866.71

Finding the Fourth Proportional to 90,154.04, 124,404.18 and 49,866.71

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Solution

The fourth proportional to 90,154.04, 124,404.18 and 49,866.71 is: 68,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,154.04 : 124,404.18 = 49,866.71 : x
  2. Step 2: Convert to fraction form
    90,154.04/124,404.18 = 49,866.71/x
  3. Step 3: Cross multiply
    90,154.04x = 124,404.18 × 49,866.71
  4. Step 4: Simplify right side
    90,154.04x = 6,203,627,166.85
  5. Step 5: Solve for x
    x = 6,203,627,166.85/90,154.04
  6. Step 6: Final answer
    x = 68,811.42

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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.