Home / 118,289.41-177,436.57-42,392.88

Finding the Fourth Proportional to 118,289.41, 177,436.57 and 42,392.88

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Solution

The fourth proportional to 118,289.41, 177,436.57 and 42,392.88 is: 63,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,289.41 : 177,436.57 = 42,392.88 : x
  2. Step 2: Convert to fraction form
    118,289.41/177,436.57 = 42,392.88/x
  3. Step 3: Cross multiply
    118,289.41x = 177,436.57 × 42,392.88
  4. Step 4: Simplify right side
    118,289.41x = 7,522,047,113.64
  5. Step 5: Solve for x
    x = 7,522,047,113.64/118,289.41
  6. Step 6: Final answer
    x = 63,590.20

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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.