Home / 160,708.25-221,762.48-89,082.18

Finding the Fourth Proportional to 160,708.25, 221,762.48 and 89,082.18

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Solution

The fourth proportional to 160,708.25, 221,762.48 and 89,082.18 is: 122,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,708.25 : 221,762.48 = 89,082.18 : x
  2. Step 2: Convert to fraction form
    160,708.25/221,762.48 = 89,082.18/x
  3. Step 3: Cross multiply
    160,708.25x = 221,762.48 × 89,082.18
  4. Step 4: Simplify right side
    160,708.25x = 19,755,084,715.20
  5. Step 5: Solve for x
    x = 19,755,084,715.20/160,708.25
  6. Step 6: Final answer
    x = 122,925.15

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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.