Home / 121,507.92-182,263.32-42,624.36

Finding the Fourth Proportional to 121,507.92, 182,263.32 and 42,624.36

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Solution

The fourth proportional to 121,507.92, 182,263.32 and 42,624.36 is: 63,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,507.92 : 182,263.32 = 42,624.36 : x
  2. Step 2: Convert to fraction form
    121,507.92/182,263.32 = 42,624.36/x
  3. Step 3: Cross multiply
    121,507.92x = 182,263.32 × 42,624.36
  4. Step 4: Simplify right side
    121,507.92x = 7,768,857,366.48
  5. Step 5: Solve for x
    x = 7,768,857,366.48/121,507.92
  6. Step 6: Final answer
    x = 63,937.05

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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.