Home / 126,364.59-189,533.87-42,115.65

Finding the Fourth Proportional to 126,364.59, 189,533.87 and 42,115.65

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Solution

The fourth proportional to 126,364.59, 189,533.87 and 42,115.65 is: 63,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,364.59 : 189,533.87 = 42,115.65 : x
  2. Step 2: Convert to fraction form
    126,364.59/189,533.87 = 42,115.65/x
  3. Step 3: Cross multiply
    126,364.59x = 189,533.87 × 42,115.65
  4. Step 4: Simplify right side
    126,364.59x = 7,982,341,368.67
  5. Step 5: Solve for x
    x = 7,982,341,368.67/126,364.59
  6. Step 6: Final answer
    x = 63,169.13

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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.