Home / 90,089.64-124,191.90-63,150.84

Finding the Fourth Proportional to 90,089.64, 124,191.90 and 63,150.84

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Solution

The fourth proportional to 90,089.64, 124,191.90 and 63,150.84 is: 87,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,089.64 : 124,191.90 = 63,150.84 : x
  2. Step 2: Convert to fraction form
    90,089.64/124,191.90 = 63,150.84/x
  3. Step 3: Cross multiply
    90,089.64x = 124,191.90 × 63,150.84
  4. Step 4: Simplify right side
    90,089.64x = 7,842,822,806.20
  5. Step 5: Solve for x
    x = 7,842,822,806.20/90,089.64
  6. Step 6: Final answer
    x = 87,055.77

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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.