Home / 98,267.20-147,429.72-31,706.08

Finding the Fourth Proportional to 98,267.20, 147,429.72 and 31,706.08

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Solution

The fourth proportional to 98,267.20, 147,429.72 and 31,706.08 is: 47,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,267.20 : 147,429.72 = 31,706.08 : x
  2. Step 2: Convert to fraction form
    98,267.20/147,429.72 = 31,706.08/x
  3. Step 3: Cross multiply
    98,267.20x = 147,429.72 × 31,706.08
  4. Step 4: Simplify right side
    98,267.20x = 4,674,418,496.70
  5. Step 5: Solve for x
    x = 4,674,418,496.70/98,267.20
  6. Step 6: Final answer
    x = 47,568.45

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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.