Home / 78,235.79-117,341.28-24,920.85

Finding the Fourth Proportional to 78,235.79, 117,341.28 and 24,920.85

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Solution

The fourth proportional to 78,235.79, 117,341.28 and 24,920.85 is: 37,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,235.79 : 117,341.28 = 24,920.85 : x
  2. Step 2: Convert to fraction form
    78,235.79/117,341.28 = 24,920.85/x
  3. Step 3: Cross multiply
    78,235.79x = 117,341.28 × 24,920.85
  4. Step 4: Simplify right side
    78,235.79x = 2,924,244,437.69
  5. Step 5: Solve for x
    x = 2,924,244,437.69/78,235.79
  6. Step 6: Final answer
    x = 37,377.32

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1.5x scale

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.