Home / 103,874.56-143,278.08-64,061.44

Finding the Fourth Proportional to 103,874.56, 143,278.08 and 64,061.44

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Solution

The fourth proportional to 103,874.56, 143,278.08 and 64,061.44 is: 88,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,874.56 : 143,278.08 = 64,061.44 : x
  2. Step 2: Convert to fraction form
    103,874.56/143,278.08 = 64,061.44/x
  3. Step 3: Cross multiply
    103,874.56x = 143,278.08 × 64,061.44
  4. Step 4: Simplify right side
    103,874.56x = 9,178,600,125.24
  5. Step 5: Solve for x
    x = 9,178,600,125.24/103,874.56
  6. Step 6: Final answer
    x = 88,362.35

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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.