Home / 78,555.69-117,839.34-25,248.24

Finding the Fourth Proportional to 78,555.69, 117,839.34 and 25,248.24

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Solution

The fourth proportional to 78,555.69, 117,839.34 and 25,248.24 is: 37,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,555.69 : 117,839.34 = 25,248.24 : x
  2. Step 2: Convert to fraction form
    78,555.69/117,839.34 = 25,248.24/x
  3. Step 3: Cross multiply
    78,555.69x = 117,839.34 × 25,248.24
  4. Step 4: Simplify right side
    78,555.69x = 2,975,235,937.76
  5. Step 5: Solve for x
    x = 2,975,235,937.76/78,555.69
  6. Step 6: Final answer
    x = 37,874.23

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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.