Home / 99,397.90-149,045.78-29,268.10

Finding the Fourth Proportional to 99,397.90, 149,045.78 and 29,268.10

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Solution

The fourth proportional to 99,397.90, 149,045.78 and 29,268.10 is: 43,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,397.90 : 149,045.78 = 29,268.10 : x
  2. Step 2: Convert to fraction form
    99,397.90/149,045.78 = 29,268.10/x
  3. Step 3: Cross multiply
    99,397.90x = 149,045.78 × 29,268.10
  4. Step 4: Simplify right side
    99,397.90x = 4,362,286,647.28
  5. Step 5: Solve for x
    x = 4,362,286,647.28/99,397.90
  6. Step 6: Final answer
    x = 43,887.11

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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.