Home / 155,284.80-232,725.60-72,001.60

Finding the Fourth Proportional to 155,284.80, 232,725.60 and 72,001.60

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Solution

The fourth proportional to 155,284.80, 232,725.60 and 72,001.60 is: 107,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,284.80 : 232,725.60 = 72,001.60 : x
  2. Step 2: Convert to fraction form
    155,284.80/232,725.60 = 72,001.60/x
  3. Step 3: Cross multiply
    155,284.80x = 232,725.60 × 72,001.60
  4. Step 4: Simplify right side
    155,284.80x = 16,756,615,560.96
  5. Step 5: Solve for x
    x = 16,756,615,560.96/155,284.80
  6. Step 6: Final answer
    x = 107,908.92

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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.