Home / 99,870.17-149,805.65-24,990.10

Finding the Fourth Proportional to 99,870.17, 149,805.65 and 24,990.10

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Solution

The fourth proportional to 99,870.17, 149,805.65 and 24,990.10 is: 37,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870.17 : 149,805.65 = 24,990.10 : x
  2. Step 2: Convert to fraction form
    99,870.17/149,805.65 = 24,990.10/x
  3. Step 3: Cross multiply
    99,870.17x = 149,805.65 × 24,990.10
  4. Step 4: Simplify right side
    99,870.17x = 3,743,658,704.68
  5. Step 5: Solve for x
    x = 3,743,658,704.68/99,870.17
  6. Step 6: Final answer
    x = 37,485.25

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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.