Home / 149,397.48-206,252.90-99,165.16

Finding the Fourth Proportional to 149,397.48, 206,252.90 and 99,165.16

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Solution

The fourth proportional to 149,397.48, 206,252.90 and 99,165.16 is: 136,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,397.48 : 206,252.90 = 99,165.16 : x
  2. Step 2: Convert to fraction form
    149,397.48/206,252.90 = 99,165.16/x
  3. Step 3: Cross multiply
    149,397.48x = 206,252.90 × 99,165.16
  4. Step 4: Simplify right side
    149,397.48x = 20,453,101,828.96
  5. Step 5: Solve for x
    x = 20,453,101,828.96/149,397.48
  6. Step 6: Final answer
    x = 136,903.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.