Home / 99,265.75-148,861.90-32,686.45

Finding the Fourth Proportional to 99,265.75, 148,861.90 and 32,686.45

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Solution

The fourth proportional to 99,265.75, 148,861.90 and 32,686.45 is: 49,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265.75 : 148,861.90 = 32,686.45 : x
  2. Step 2: Convert to fraction form
    99,265.75/148,861.90 = 32,686.45/x
  3. Step 3: Cross multiply
    99,265.75x = 148,861.90 × 32,686.45
  4. Step 4: Simplify right side
    99,265.75x = 4,865,767,051.26
  5. Step 5: Solve for x
    x = 4,865,767,051.26/99,265.75
  6. Step 6: Final answer
    x = 49,017.58

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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.