Home / 126,624.72-189,842.75-42,335.02

Finding the Fourth Proportional to 126,624.72, 189,842.75 and 42,335.02

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Solution

The fourth proportional to 126,624.72, 189,842.75 and 42,335.02 is: 63,470.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,624.72 : 189,842.75 = 42,335.02 : x
  2. Step 2: Convert to fraction form
    126,624.72/189,842.75 = 42,335.02/x
  3. Step 3: Cross multiply
    126,624.72x = 189,842.75 × 42,335.02
  4. Step 4: Simplify right side
    126,624.72x = 8,036,996,618.11
  5. Step 5: Solve for x
    x = 8,036,996,618.11/126,624.72
  6. Step 6: Final answer
    x = 63,470.99

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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.