Home / 136,432.66-204,639-42,965.14

Finding the Fourth Proportional to 136,432.66, 204,639 and 42,965.14

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Solution

The fourth proportional to 136,432.66, 204,639 and 42,965.14 is: 64,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,432.66 : 204,639 = 42,965.14 : x
  2. Step 2: Convert to fraction form
    136,432.66/204,639 = 42,965.14/x
  3. Step 3: Cross multiply
    136,432.66x = 204,639 × 42,965.14
  4. Step 4: Simplify right side
    136,432.66x = 8,792,343,284.46
  5. Step 5: Solve for x
    x = 8,792,343,284.46/136,432.66
  6. Step 6: Final answer
    x = 64,444.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.