Home / 81,526.50-122,307.30-25,365.42

Finding the Fourth Proportional to 81,526.50, 122,307.30 and 25,365.42

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Solution

The fourth proportional to 81,526.50, 122,307.30 and 25,365.42 is: 38,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,526.50 : 122,307.30 = 25,365.42 : x
  2. Step 2: Convert to fraction form
    81,526.50/122,307.30 = 25,365.42/x
  3. Step 3: Cross multiply
    81,526.50x = 122,307.30 × 25,365.42
  4. Step 4: Simplify right side
    81,526.50x = 3,102,376,033.57
  5. Step 5: Solve for x
    x = 3,102,376,033.57/81,526.50
  6. Step 6: Final answer
    x = 38,053.59

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1.5x scale

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.