Home / 145,349.78-218,037.29-40,168.85

Finding the Fourth Proportional to 145,349.78, 218,037.29 and 40,168.85

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Solution

The fourth proportional to 145,349.78, 218,037.29 and 40,168.85 is: 60,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,349.78 : 218,037.29 = 40,168.85 : x
  2. Step 2: Convert to fraction form
    145,349.78/218,037.29 = 40,168.85/x
  3. Step 3: Cross multiply
    145,349.78x = 218,037.29 × 40,168.85
  4. Step 4: Simplify right side
    145,349.78x = 8,758,305,905.39
  5. Step 5: Solve for x
    x = 8,758,305,905.39/145,349.78
  6. Step 6: Final answer
    x = 60,256.76

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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.