Home / 160,613.70-221,646.69-88,998.36

Finding the Fourth Proportional to 160,613.70, 221,646.69 and 88,998.36

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Solution

The fourth proportional to 160,613.70, 221,646.69 and 88,998.36 is: 122,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,613.70 : 221,646.69 = 88,998.36 : x
  2. Step 2: Convert to fraction form
    160,613.70/221,646.69 = 88,998.36/x
  3. Step 3: Cross multiply
    160,613.70x = 221,646.69 × 88,998.36
  4. Step 4: Simplify right side
    160,613.70x = 19,726,191,909.43
  5. Step 5: Solve for x
    x = 19,726,191,909.43/160,613.70
  6. Step 6: Final answer
    x = 122,817.62

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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.