Home / 145,222.16-217,794.36-40,046.90

Finding the Fourth Proportional to 145,222.16, 217,794.36 and 40,046.90

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Solution

The fourth proportional to 145,222.16, 217,794.36 and 40,046.90 is: 60,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,222.16 : 217,794.36 = 40,046.90 : x
  2. Step 2: Convert to fraction form
    145,222.16/217,794.36 = 40,046.90/x
  3. Step 3: Cross multiply
    145,222.16x = 217,794.36 × 40,046.90
  4. Step 4: Simplify right side
    145,222.16x = 8,721,988,955.48
  5. Step 5: Solve for x
    x = 8,721,988,955.48/145,222.16
  6. Step 6: Final answer
    x = 60,059.63

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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.