Home / 118,850.64-178,164.28-39,909.50

Finding the Fourth Proportional to 118,850.64, 178,164.28 and 39,909.50

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Solution

The fourth proportional to 118,850.64, 178,164.28 and 39,909.50 is: 59,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850.64 : 178,164.28 = 39,909.50 : x
  2. Step 2: Convert to fraction form
    118,850.64/178,164.28 = 39,909.50/x
  3. Step 3: Cross multiply
    118,850.64x = 178,164.28 × 39,909.50
  4. Step 4: Simplify right side
    118,850.64x = 7,110,447,332.66
  5. Step 5: Solve for x
    x = 7,110,447,332.66/118,850.64
  6. Step 6: Final answer
    x = 59,826.75

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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.