Home / 115,466.14-159,341.76-64,479.76

Finding the Fourth Proportional to 115,466.14, 159,341.76 and 64,479.76

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Solution

The fourth proportional to 115,466.14, 159,341.76 and 64,479.76 is: 88,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,466.14 : 159,341.76 = 64,479.76 : x
  2. Step 2: Convert to fraction form
    115,466.14/159,341.76 = 64,479.76/x
  3. Step 3: Cross multiply
    115,466.14x = 159,341.76 × 64,479.76
  4. Step 4: Simplify right side
    115,466.14x = 10,274,318,442.78
  5. Step 5: Solve for x
    x = 10,274,318,442.78/115,466.14
  6. Step 6: Final answer
    x = 88,981.22

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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.