Home / 146,119.16-218,984.98-75,038.93

Finding the Fourth Proportional to 146,119.16, 218,984.98 and 75,038.93

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Solution

The fourth proportional to 146,119.16, 218,984.98 and 75,038.93 is: 112,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,119.16 : 218,984.98 = 75,038.93 : x
  2. Step 2: Convert to fraction form
    146,119.16/218,984.98 = 75,038.93/x
  3. Step 3: Cross multiply
    146,119.16x = 218,984.98 × 75,038.93
  4. Step 4: Simplify right side
    146,119.16x = 16,432,397,302.75
  5. Step 5: Solve for x
    x = 16,432,397,302.75/146,119.16
  6. Step 6: Final answer
    x = 112,458.88

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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.