Home / 160,121.04-220,964.88-88,502.32

Finding the Fourth Proportional to 160,121.04, 220,964.88 and 88,502.32

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Solution

The fourth proportional to 160,121.04, 220,964.88 and 88,502.32 is: 122,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,121.04 : 220,964.88 = 88,502.32 : x
  2. Step 2: Convert to fraction form
    160,121.04/220,964.88 = 88,502.32/x
  3. Step 3: Cross multiply
    160,121.04x = 220,964.88 × 88,502.32
  4. Step 4: Simplify right side
    160,121.04x = 19,555,904,518.52
  5. Step 5: Solve for x
    x = 19,555,904,518.52/160,121.04
  6. Step 6: Final answer
    x = 122,132.01

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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.