Home / 78,294.24-117,170.28-48,296.16

Finding the Fourth Proportional to 78,294.24, 117,170.28 and 48,296.16

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Solution

The fourth proportional to 78,294.24, 117,170.28 and 48,296.16 is: 72,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,294.24 : 117,170.28 = 48,296.16 : x
  2. Step 2: Convert to fraction form
    78,294.24/117,170.28 = 48,296.16/x
  3. Step 3: Cross multiply
    78,294.24x = 117,170.28 × 48,296.16
  4. Step 4: Simplify right side
    78,294.24x = 5,658,874,590.12
  5. Step 5: Solve for x
    x = 5,658,874,590.12/78,294.24
  6. Step 6: Final answer
    x = 72,277.02

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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.