Home / 131,897.40-182,081.46-75,297.84

Finding the Fourth Proportional to 131,897.40, 182,081.46 and 75,297.84

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Solution

The fourth proportional to 131,897.40, 182,081.46 and 75,297.84 is: 103,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,897.40 : 182,081.46 = 75,297.84 : x
  2. Step 2: Convert to fraction form
    131,897.40/182,081.46 = 75,297.84/x
  3. Step 3: Cross multiply
    131,897.40x = 182,081.46 × 75,297.84
  4. Step 4: Simplify right side
    131,897.40x = 13,710,340,642.05
  5. Step 5: Solve for x
    x = 13,710,340,642.05/131,897.40
  6. Step 6: Final answer
    x = 103,947.01

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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.