Home / 175,513.20-263,269.80-145,988.70

Finding the Fourth Proportional to 175,513.20, 263,269.80 and 145,988.70

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Solution

The fourth proportional to 175,513.20, 263,269.80 and 145,988.70 is: 218,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,513.20 : 263,269.80 = 145,988.70 : x
  2. Step 2: Convert to fraction form
    175,513.20/263,269.80 = 145,988.70/x
  3. Step 3: Cross multiply
    175,513.20x = 263,269.80 × 145,988.70
  4. Step 4: Simplify right side
    175,513.20x = 38,434,415,851.26
  5. Step 5: Solve for x
    x = 38,434,415,851.26/175,513.20
  6. Step 6: Final answer
    x = 218,983.05

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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.