Home / 115,492.18-159,368.83-64,497.83

Finding the Fourth Proportional to 115,492.18, 159,368.83 and 64,497.83

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Solution

The fourth proportional to 115,492.18, 159,368.83 and 64,497.83 is: 89,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,492.18 : 159,368.83 = 64,497.83 : x
  2. Step 2: Convert to fraction form
    115,492.18/159,368.83 = 64,497.83/x
  3. Step 3: Cross multiply
    115,492.18x = 159,368.83 × 64,497.83
  4. Step 4: Simplify right side
    115,492.18x = 10,278,943,306.22
  5. Step 5: Solve for x
    x = 10,278,943,306.22/115,492.18
  6. Step 6: Final answer
    x = 89,001.21

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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.