Home / 115,276.42-159,081.14-64,289.22

Finding the Fourth Proportional to 115,276.42, 159,081.14 and 64,289.22

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Solution

The fourth proportional to 115,276.42, 159,081.14 and 64,289.22 is: 88,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,276.42 : 159,081.14 = 64,289.22 : x
  2. Step 2: Convert to fraction form
    115,276.42/159,081.14 = 64,289.22/x
  3. Step 3: Cross multiply
    115,276.42x = 159,081.14 × 64,289.22
  4. Step 4: Simplify right side
    115,276.42x = 10,227,202,407.31
  5. Step 5: Solve for x
    x = 10,227,202,407.31/115,276.42
  6. Step 6: Final answer
    x = 88,718.95

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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.