Home / 115,264.77-159,066.08-64,280.73

Finding the Fourth Proportional to 115,264.77, 159,066.08 and 64,280.73

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Solution

The fourth proportional to 115,264.77, 159,066.08 and 64,280.73 is: 88,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,264.77 : 159,066.08 = 64,280.73 : x
  2. Step 2: Convert to fraction form
    115,264.77/159,066.08 = 64,280.73/x
  3. Step 3: Cross multiply
    115,264.77x = 159,066.08 × 64,280.73
  4. Step 4: Simplify right side
    115,264.77x = 10,224,883,063.79
  5. Step 5: Solve for x
    x = 10,224,883,063.79/115,264.77
  6. Step 6: Final answer
    x = 88,707.79

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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.