Home / 115,264.76-159,059.22-64,282.72

Finding the Fourth Proportional to 115,264.76, 159,059.22 and 64,282.72

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Solution

The fourth proportional to 115,264.76, 159,059.22 and 64,282.72 is: 88,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,264.76 : 159,059.22 = 64,282.72 : x
  2. Step 2: Convert to fraction form
    115,264.76/159,059.22 = 64,282.72/x
  3. Step 3: Cross multiply
    115,264.76x = 159,059.22 × 64,282.72
  4. Step 4: Simplify right side
    115,264.76x = 10,224,759,302.68
  5. Step 5: Solve for x
    x = 10,224,759,302.68/115,264.76
  6. Step 6: Final answer
    x = 88,706.72

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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.