Home / 159,437.25-220,004.28-91,450.71

Finding the Fourth Proportional to 159,437.25, 220,004.28 and 91,450.71

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Solution

The fourth proportional to 159,437.25, 220,004.28 and 91,450.71 is: 126,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,437.25 : 220,004.28 = 91,450.71 : x
  2. Step 2: Convert to fraction form
    159,437.25/220,004.28 = 91,450.71/x
  3. Step 3: Cross multiply
    159,437.25x = 220,004.28 × 91,450.71
  4. Step 4: Simplify right side
    159,437.25x = 20,119,547,609.04
  5. Step 5: Solve for x
    x = 20,119,547,609.04/159,437.25
  6. Step 6: Final answer
    x = 126,191.01

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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.