Home / 250,228.47-345,340.11-142,814.77

Finding the Fourth Proportional to 250,228.47, 345,340.11 and 142,814.77

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Solution

The fourth proportional to 250,228.47, 345,340.11 and 142,814.77 is: 197,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,228.47 : 345,340.11 = 142,814.77 : x
  2. Step 2: Convert to fraction form
    250,228.47/345,340.11 = 142,814.77/x
  3. Step 3: Cross multiply
    250,228.47x = 345,340.11 × 142,814.77
  4. Step 4: Simplify right side
    250,228.47x = 49,319,668,381.42
  5. Step 5: Solve for x
    x = 49,319,668,381.42/250,228.47
  6. Step 6: Final answer
    x = 197,098.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.