Home / 83,206.20-124,809.30-70,035.60

Finding the Fourth Proportional to 83,206.20, 124,809.30 and 70,035.60

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Solution

The fourth proportional to 83,206.20, 124,809.30 and 70,035.60 is: 105,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,206.20 : 124,809.30 = 70,035.60 : x
  2. Step 2: Convert to fraction form
    83,206.20/124,809.30 = 70,035.60/x
  3. Step 3: Cross multiply
    83,206.20x = 124,809.30 × 70,035.60
  4. Step 4: Simplify right side
    83,206.20x = 8,741,094,211.08
  5. Step 5: Solve for x
    x = 8,741,094,211.08/83,206.20
  6. Step 6: Final answer
    x = 105,053.40

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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.