Home / 160,430.92-221,406.96-91,521.90

Finding the Fourth Proportional to 160,430.92, 221,406.96 and 91,521.90

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Solution

The fourth proportional to 160,430.92, 221,406.96 and 91,521.90 is: 126,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,430.92 : 221,406.96 = 91,521.90 : x
  2. Step 2: Convert to fraction form
    160,430.92/221,406.96 = 91,521.90/x
  3. Step 3: Cross multiply
    160,430.92x = 221,406.96 × 91,521.90
  4. Step 4: Simplify right side
    160,430.92x = 20,263,585,098.91
  5. Step 5: Solve for x
    x = 20,263,585,098.91/160,430.92
  6. Step 6: Final answer
    x = 126,307.23

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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.