Home / 145,333.16-217,997.58-40,149.80

Finding the Fourth Proportional to 145,333.16, 217,997.58 and 40,149.80

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Solution

The fourth proportional to 145,333.16, 217,997.58 and 40,149.80 is: 60,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,333.16 : 217,997.58 = 40,149.80 : x
  2. Step 2: Convert to fraction form
    145,333.16/217,997.58 = 40,149.80/x
  3. Step 3: Cross multiply
    145,333.16x = 217,997.58 × 40,149.80
  4. Step 4: Simplify right side
    145,333.16x = 8,752,559,237.48
  5. Step 5: Solve for x
    x = 8,752,559,237.48/145,333.16
  6. Step 6: Final answer
    x = 60,224.10

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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.