Home / 175,979.20-263,968.80-42,858.40

Finding the Fourth Proportional to 175,979.20, 263,968.80 and 42,858.40

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Solution

The fourth proportional to 175,979.20, 263,968.80 and 42,858.40 is: 64,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,979.20 : 263,968.80 = 42,858.40 : x
  2. Step 2: Convert to fraction form
    175,979.20/263,968.80 = 42,858.40/x
  3. Step 3: Cross multiply
    175,979.20x = 263,968.80 × 42,858.40
  4. Step 4: Simplify right side
    175,979.20x = 11,313,280,417.92
  5. Step 5: Solve for x
    x = 11,313,280,417.92/175,979.20
  6. Step 6: Final answer
    x = 64,287.60

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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.