Home / 145,330.44-217,999.74-40,149.40

Finding the Fourth Proportional to 145,330.44, 217,999.74 and 40,149.40

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Solution

The fourth proportional to 145,330.44, 217,999.74 and 40,149.40 is: 60,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,330.44 : 217,999.74 = 40,149.40 : x
  2. Step 2: Convert to fraction form
    145,330.44/217,999.74 = 40,149.40/x
  3. Step 3: Cross multiply
    145,330.44x = 217,999.74 × 40,149.40
  4. Step 4: Simplify right side
    145,330.44x = 8,752,558,761.16
  5. Step 5: Solve for x
    x = 8,752,558,761.16/145,330.44
  6. Step 6: Final answer
    x = 60,225.23

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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.