Home / 173,681.10-260,456.85-68,478.30

Finding the Fourth Proportional to 173,681.10, 260,456.85 and 68,478.30

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Solution

The fourth proportional to 173,681.10, 260,456.85 and 68,478.30 is: 102,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,681.10 : 260,456.85 = 68,478.30 : x
  2. Step 2: Convert to fraction form
    173,681.10/260,456.85 = 68,478.30/x
  3. Step 3: Cross multiply
    173,681.10x = 260,456.85 × 68,478.30
  4. Step 4: Simplify right side
    173,681.10x = 17,835,642,311.36
  5. Step 5: Solve for x
    x = 17,835,642,311.36/173,681.10
  6. Step 6: Final answer
    x = 102,691.90

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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.