Home / 68,217.20-102,325.80-62,312.30

Finding the Fourth Proportional to 68,217.20, 102,325.80 and 62,312.30

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Solution

The fourth proportional to 68,217.20, 102,325.80 and 62,312.30 is: 93,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,217.20 : 102,325.80 = 62,312.30 : x
  2. Step 2: Convert to fraction form
    68,217.20/102,325.80 = 62,312.30/x
  3. Step 3: Cross multiply
    68,217.20x = 102,325.80 × 62,312.30
  4. Step 4: Simplify right side
    68,217.20x = 6,376,155,947.34
  5. Step 5: Solve for x
    x = 6,376,155,947.34/68,217.20
  6. Step 6: Final answer
    x = 93,468.45

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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.