Home / 115,248.13-159,041.77-64,261.48

Finding the Fourth Proportional to 115,248.13, 159,041.77 and 64,261.48

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Solution

The fourth proportional to 115,248.13, 159,041.77 and 64,261.48 is: 88,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,248.13 : 159,041.77 = 64,261.48 : x
  2. Step 2: Convert to fraction form
    115,248.13/159,041.77 = 64,261.48/x
  3. Step 3: Cross multiply
    115,248.13x = 159,041.77 × 64,261.48
  4. Step 4: Simplify right side
    115,248.13x = 10,220,258,755.93
  5. Step 5: Solve for x
    x = 10,220,258,755.93/115,248.13
  6. Step 6: Final answer
    x = 88,680.47

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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.