Home / 132,311.35-182,590.54-71,881.98

Finding the Fourth Proportional to 132,311.35, 182,590.54 and 71,881.98

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Solution

The fourth proportional to 132,311.35, 182,590.54 and 71,881.98 is: 99,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,311.35 : 182,590.54 = 71,881.98 : x
  2. Step 2: Convert to fraction form
    132,311.35/182,590.54 = 71,881.98/x
  3. Step 3: Cross multiply
    132,311.35x = 182,590.54 × 71,881.98
  4. Step 4: Simplify right side
    132,311.35x = 13,124,968,802.62
  5. Step 5: Solve for x
    x = 13,124,968,802.62/132,311.35
  6. Step 6: Final answer
    x = 99,197.60

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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.