Home / 99,423.04-149,141.84-28,344.32

Finding the Fourth Proportional to 99,423.04, 149,141.84 and 28,344.32

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Solution

The fourth proportional to 99,423.04, 149,141.84 and 28,344.32 is: 42,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,423.04 : 149,141.84 = 28,344.32 : x
  2. Step 2: Convert to fraction form
    99,423.04/149,141.84 = 28,344.32/x
  3. Step 3: Cross multiply
    99,423.04x = 149,141.84 × 28,344.32
  4. Step 4: Simplify right side
    99,423.04x = 4,227,324,038.35
  5. Step 5: Solve for x
    x = 4,227,324,038.35/99,423.04
  6. Step 6: Final answer
    x = 42,518.56

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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.