Home / 160,291.13-221,195.07-88,666.61

Finding the Fourth Proportional to 160,291.13, 221,195.07 and 88,666.61

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Solution

The fourth proportional to 160,291.13, 221,195.07 and 88,666.61 is: 122,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,291.13 : 221,195.07 = 88,666.61 : x
  2. Step 2: Convert to fraction form
    160,291.13/221,195.07 = 88,666.61/x
  3. Step 3: Cross multiply
    160,291.13x = 221,195.07 × 88,666.61
  4. Step 4: Simplify right side
    160,291.13x = 19,612,615,899.64
  5. Step 5: Solve for x
    x = 19,612,615,899.64/160,291.13
  6. Step 6: Final answer
    x = 122,356.22

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1.5x scale

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.