Home / 118,909.42-178,382.56-40,017.50

Finding the Fourth Proportional to 118,909.42, 178,382.56 and 40,017.50

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Solution

The fourth proportional to 118,909.42, 178,382.56 and 40,017.50 is: 60,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,909.42 : 178,382.56 = 40,017.50 : x
  2. Step 2: Convert to fraction form
    118,909.42/178,382.56 = 40,017.50/x
  3. Step 3: Cross multiply
    118,909.42x = 178,382.56 × 40,017.50
  4. Step 4: Simplify right side
    118,909.42x = 7,138,424,094.80
  5. Step 5: Solve for x
    x = 7,138,424,094.80/118,909.42
  6. Step 6: Final answer
    x = 60,032.45

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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.