Home / 250,385.76-345,565.44-142,931.52

Finding the Fourth Proportional to 250,385.76, 345,565.44 and 142,931.52

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Solution

The fourth proportional to 250,385.76, 345,565.44 and 142,931.52 is: 197,264.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,385.76 : 345,565.44 = 142,931.52 : x
  2. Step 2: Convert to fraction form
    250,385.76/345,565.44 = 142,931.52/x
  3. Step 3: Cross multiply
    250,385.76x = 345,565.44 × 142,931.52
  4. Step 4: Simplify right side
    250,385.76x = 49,392,193,598.67
  5. Step 5: Solve for x
    x = 49,392,193,598.67/250,385.76
  6. Step 6: Final answer
    x = 197,264.39

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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.