Home / 136,281.96-204,424.74-42,787.71

Finding the Fourth Proportional to 136,281.96, 204,424.74 and 42,787.71

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Solution

The fourth proportional to 136,281.96, 204,424.74 and 42,787.71 is: 64,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,281.96 : 204,424.74 = 42,787.71 : x
  2. Step 2: Convert to fraction form
    136,281.96/204,424.74 = 42,787.71/x
  3. Step 3: Cross multiply
    136,281.96x = 204,424.74 × 42,787.71
  4. Step 4: Simplify right side
    136,281.96x = 8,746,866,491.95
  5. Step 5: Solve for x
    x = 8,746,866,491.95/136,281.96
  6. Step 6: Final answer
    x = 64,182.13

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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.