Home / 126,312.64-189,473.04-66,325.92

Finding the Fourth Proportional to 126,312.64, 189,473.04 and 66,325.92

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Solution

The fourth proportional to 126,312.64, 189,473.04 and 66,325.92 is: 99,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312.64 : 189,473.04 = 66,325.92 : x
  2. Step 2: Convert to fraction form
    126,312.64/189,473.04 = 66,325.92/x
  3. Step 3: Cross multiply
    126,312.64x = 189,473.04 × 66,325.92
  4. Step 4: Simplify right side
    126,312.64x = 12,566,973,693.20
  5. Step 5: Solve for x
    x = 12,566,973,693.20/126,312.64
  6. Step 6: Final answer
    x = 99,491.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.