Home / 99,626.16-149,479.20-40,466.40

Finding the Fourth Proportional to 99,626.16, 149,479.20 and 40,466.40

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Solution

The fourth proportional to 99,626.16, 149,479.20 and 40,466.40 is: 60,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,626.16 : 149,479.20 = 40,466.40 : x
  2. Step 2: Convert to fraction form
    99,626.16/149,479.20 = 40,466.40/x
  3. Step 3: Cross multiply
    99,626.16x = 149,479.20 × 40,466.40
  4. Step 4: Simplify right side
    99,626.16x = 6,048,885,098.88
  5. Step 5: Solve for x
    x = 6,048,885,098.88/99,626.16
  6. Step 6: Final answer
    x = 60,715.83

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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.