Home / 98,373.20-147,254.34-53,282.56

Finding the Fourth Proportional to 98,373.20, 147,254.34 and 53,282.56

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Solution

The fourth proportional to 98,373.20, 147,254.34 and 53,282.56 is: 79,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,373.20 : 147,254.34 = 53,282.56 : x
  2. Step 2: Convert to fraction form
    98,373.20/147,254.34 = 53,282.56/x
  3. Step 3: Cross multiply
    98,373.20x = 147,254.34 × 53,282.56
  4. Step 4: Simplify right side
    98,373.20x = 7,846,088,206.31
  5. Step 5: Solve for x
    x = 7,846,088,206.31/98,373.20
  6. Step 6: Final answer
    x = 79,758.39

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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.