Home / 90,273.84-124,447.32-63,332.88

Finding the Fourth Proportional to 90,273.84, 124,447.32 and 63,332.88

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Solution

The fourth proportional to 90,273.84, 124,447.32 and 63,332.88 is: 87,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,273.84 : 124,447.32 = 63,332.88 : x
  2. Step 2: Convert to fraction form
    90,273.84/124,447.32 = 63,332.88/x
  3. Step 3: Cross multiply
    90,273.84x = 124,447.32 × 63,332.88
  4. Step 4: Simplify right side
    90,273.84x = 7,881,607,183.88
  5. Step 5: Solve for x
    x = 7,881,607,183.88/90,273.84
  6. Step 6: Final answer
    x = 87,307.76

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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.