Home / 160,406.40-220,853.76-141,272.96

Finding the Fourth Proportional to 160,406.40, 220,853.76 and 141,272.96

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Solution

The fourth proportional to 160,406.40, 220,853.76 and 141,272.96 is: 194,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,406.40 : 220,853.76 = 141,272.96 : x
  2. Step 2: Convert to fraction form
    160,406.40/220,853.76 = 141,272.96/x
  3. Step 3: Cross multiply
    160,406.40x = 220,853.76 × 141,272.96
  4. Step 4: Simplify right side
    160,406.40x = 31,200,664,402.33
  5. Step 5: Solve for x
    x = 31,200,664,402.33/160,406.40
  6. Step 6: Final answer
    x = 194,510.10

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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.