Home / 90,180.08-124,445.82-49,891.52

Finding the Fourth Proportional to 90,180.08, 124,445.82 and 49,891.52

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Solution

The fourth proportional to 90,180.08, 124,445.82 and 49,891.52 is: 68,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,180.08 : 124,445.82 = 49,891.52 : x
  2. Step 2: Convert to fraction form
    90,180.08/124,445.82 = 49,891.52/x
  3. Step 3: Cross multiply
    90,180.08x = 124,445.82 × 49,891.52
  4. Step 4: Simplify right side
    90,180.08x = 6,208,791,117.45
  5. Step 5: Solve for x
    x = 6,208,791,117.45/90,180.08
  6. Step 6: Final answer
    x = 68,848.81

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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.