Home / 131,888.04-182,018.52-75,307.92

Finding the Fourth Proportional to 131,888.04, 182,018.52 and 75,307.92

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Solution

The fourth proportional to 131,888.04, 182,018.52 and 75,307.92 is: 103,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888.04 : 182,018.52 = 75,307.92 : x
  2. Step 2: Convert to fraction form
    131,888.04/182,018.52 = 75,307.92/x
  3. Step 3: Cross multiply
    131,888.04x = 182,018.52 × 75,307.92
  4. Step 4: Simplify right side
    131,888.04x = 13,707,436,142.68
  5. Step 5: Solve for x
    x = 13,707,436,142.68/131,888.04
  6. Step 6: Final answer
    x = 103,932.37

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1.5x scale

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.