Home / 157,922.04-217,971.14-89,979.11

Finding the Fourth Proportional to 157,922.04, 217,971.14 and 89,979.11

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Solution

The fourth proportional to 157,922.04, 217,971.14 and 89,979.11 is: 124,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,922.04 : 217,971.14 = 89,979.11 : x
  2. Step 2: Convert to fraction form
    157,922.04/217,971.14 = 89,979.11/x
  3. Step 3: Cross multiply
    157,922.04x = 217,971.14 × 89,979.11
  4. Step 4: Simplify right side
    157,922.04x = 19,612,847,643.13
  5. Step 5: Solve for x
    x = 19,612,847,643.13/157,922.04
  6. Step 6: Final answer
    x = 124,193.23

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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.