Home / 115,552.04-159,459.98-64,565.78

Finding the Fourth Proportional to 115,552.04, 159,459.98 and 64,565.78

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Solution

The fourth proportional to 115,552.04, 159,459.98 and 64,565.78 is: 89,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,552.04 : 159,459.98 = 64,565.78 : x
  2. Step 2: Convert to fraction form
    115,552.04/159,459.98 = 64,565.78/x
  3. Step 3: Cross multiply
    115,552.04x = 159,459.98 × 64,565.78
  4. Step 4: Simplify right side
    115,552.04x = 10,295,657,987.48
  5. Step 5: Solve for x
    x = 10,295,657,987.48/115,552.04
  6. Step 6: Final answer
    x = 89,099.75

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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.