Home / 88,457.50-122,158.10-75,636.66

Finding the Fourth Proportional to 88,457.50, 122,158.10 and 75,636.66

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Solution

The fourth proportional to 88,457.50, 122,158.10 and 75,636.66 is: 104,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,457.50 : 122,158.10 = 75,636.66 : x
  2. Step 2: Convert to fraction form
    88,457.50/122,158.10 = 75,636.66/x
  3. Step 3: Cross multiply
    88,457.50x = 122,158.10 × 75,636.66
  4. Step 4: Simplify right side
    88,457.50x = 9,239,630,675.95
  5. Step 5: Solve for x
    x = 9,239,630,675.95/88,457.50
  6. Step 6: Final answer
    x = 104,452.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.