Home / 83,437.19-125,510.93-75,633.80

Finding the Fourth Proportional to 83,437.19, 125,510.93 and 75,633.80

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Solution

The fourth proportional to 83,437.19, 125,510.93 and 75,633.80 is: 113,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.19 : 125,510.93 = 75,633.80 : x
  2. Step 2: Convert to fraction form
    83,437.19/125,510.93 = 75,633.80/x
  3. Step 3: Cross multiply
    83,437.19x = 125,510.93 × 75,633.80
  4. Step 4: Simplify right side
    83,437.19x = 9,492,869,080.30
  5. Step 5: Solve for x
    x = 9,492,869,080.30/83,437.19
  6. Step 6: Final answer
    x = 113,772.64

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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.