Home / 99,536.80-149,305.20-52,765.60

Finding the Fourth Proportional to 99,536.80, 149,305.20 and 52,765.60

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Solution

The fourth proportional to 99,536.80, 149,305.20 and 52,765.60 is: 79,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,536.80 : 149,305.20 = 52,765.60 : x
  2. Step 2: Convert to fraction form
    99,536.80/149,305.20 = 52,765.60/x
  3. Step 3: Cross multiply
    99,536.80x = 149,305.20 × 52,765.60
  4. Step 4: Simplify right side
    99,536.80x = 7,878,178,461.12
  5. Step 5: Solve for x
    x = 7,878,178,461.12/99,536.80
  6. Step 6: Final answer
    x = 79,148.40

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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.