Home / 295,271.04-442,240.68-137,166.78

Finding the Fourth Proportional to 295,271.04, 442,240.68 and 137,166.78

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Solution

The fourth proportional to 295,271.04, 442,240.68 and 137,166.78 is: 205,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,271.04 : 442,240.68 = 137,166.78 : x
  2. Step 2: Convert to fraction form
    295,271.04/442,240.68 = 137,166.78/x
  3. Step 3: Cross multiply
    295,271.04x = 442,240.68 × 137,166.78
  4. Step 4: Simplify right side
    295,271.04x = 60,660,730,060.61
  5. Step 5: Solve for x
    x = 60,660,730,060.61/295,271.04
  6. Step 6: Final answer
    x = 205,440.84

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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.