Home / 118,120.05-177,215.85-42,208.65

Finding the Fourth Proportional to 118,120.05, 177,215.85 and 42,208.65

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Solution

The fourth proportional to 118,120.05, 177,215.85 and 42,208.65 is: 63,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,120.05 : 177,215.85 = 42,208.65 : x
  2. Step 2: Convert to fraction form
    118,120.05/177,215.85 = 42,208.65/x
  3. Step 3: Cross multiply
    118,120.05x = 177,215.85 × 42,208.65
  4. Step 4: Simplify right side
    118,120.05x = 7,480,041,787.10
  5. Step 5: Solve for x
    x = 7,480,041,787.10/118,120.05
  6. Step 6: Final answer
    x = 63,325.76

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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.