Home / 103,325.76-155,065.68-40,155.84

Finding the Fourth Proportional to 103,325.76, 155,065.68 and 40,155.84

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Solution

The fourth proportional to 103,325.76, 155,065.68 and 40,155.84 is: 60,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,325.76 : 155,065.68 = 40,155.84 : x
  2. Step 2: Convert to fraction form
    103,325.76/155,065.68 = 40,155.84/x
  3. Step 3: Cross multiply
    103,325.76x = 155,065.68 × 40,155.84
  4. Step 4: Simplify right side
    103,325.76x = 6,226,792,635.57
  5. Step 5: Solve for x
    x = 6,226,792,635.57/103,325.76
  6. Step 6: Final answer
    x = 60,263.70

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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.