Home / 136,863.40-205,216.71-42,068.92

Finding the Fourth Proportional to 136,863.40, 205,216.71 and 42,068.92

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Solution

The fourth proportional to 136,863.40, 205,216.71 and 42,068.92 is: 63,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,863.40 : 205,216.71 = 42,068.92 : x
  2. Step 2: Convert to fraction form
    136,863.40/205,216.71 = 42,068.92/x
  3. Step 3: Cross multiply
    136,863.40x = 205,216.71 × 42,068.92
  4. Step 4: Simplify right side
    136,863.40x = 8,633,245,355.65
  5. Step 5: Solve for x
    x = 8,633,245,355.65/136,863.40
  6. Step 6: Final answer
    x = 63,079.28

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1.5x scale

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.