Home / 99,398.30-149,145.35-49,482.80

Finding the Fourth Proportional to 99,398.30, 149,145.35 and 49,482.80

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Solution

The fourth proportional to 99,398.30, 149,145.35 and 49,482.80 is: 74,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,398.30 : 149,145.35 = 49,482.80 : x
  2. Step 2: Convert to fraction form
    99,398.30/149,145.35 = 49,482.80/x
  3. Step 3: Cross multiply
    99,398.30x = 149,145.35 × 49,482.80
  4. Step 4: Simplify right side
    99,398.30x = 7,380,128,531.84
  5. Step 5: Solve for x
    x = 7,380,128,531.84/99,398.30
  6. Step 6: Final answer
    x = 74,248.04

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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.