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Finding the Fourth Proportional to 144,750.56, 217,079.76 and 60,510.56

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Solution

The fourth proportional to 144,750.56, 217,079.76 and 60,510.56 is: 90,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,750.56 : 217,079.76 = 60,510.56 : x
  2. Step 2: Convert to fraction form
    144,750.56/217,079.76 = 60,510.56/x
  3. Step 3: Cross multiply
    144,750.56x = 217,079.76 × 60,510.56
  4. Step 4: Simplify right side
    144,750.56x = 13,135,617,842.27
  5. Step 5: Solve for x
    x = 13,135,617,842.27/144,750.56
  6. Step 6: Final answer
    x = 90,746.58

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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.