Home / 90,222.68-124,505.35-49,386.76

Finding the Fourth Proportional to 90,222.68, 124,505.35 and 49,386.76

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Solution

The fourth proportional to 90,222.68, 124,505.35 and 49,386.76 is: 68,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.68 : 124,505.35 = 49,386.76 : x
  2. Step 2: Convert to fraction form
    90,222.68/124,505.35 = 49,386.76/x
  3. Step 3: Cross multiply
    90,222.68x = 124,505.35 × 49,386.76
  4. Step 4: Simplify right side
    90,222.68x = 6,148,915,404.44
  5. Step 5: Solve for x
    x = 6,148,915,404.44/90,222.68
  6. Step 6: Final answer
    x = 68,152.66

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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.