Home / 160,012.27-220,808.81-88,378.45

Finding the Fourth Proportional to 160,012.27, 220,808.81 and 88,378.45

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Solution

The fourth proportional to 160,012.27, 220,808.81 and 88,378.45 is: 121,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,012.27 : 220,808.81 = 88,378.45 : x
  2. Step 2: Convert to fraction form
    160,012.27/220,808.81 = 88,378.45/x
  3. Step 3: Cross multiply
    160,012.27x = 220,808.81 × 88,378.45
  4. Step 4: Simplify right side
    160,012.27x = 19,514,740,871.10
  5. Step 5: Solve for x
    x = 19,514,740,871.10/160,012.27
  6. Step 6: Final answer
    x = 121,957.78

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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.