Home / 250,397.76-345,582-142,943.52

Finding the Fourth Proportional to 250,397.76, 345,582 and 142,943.52

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Solution

The fourth proportional to 250,397.76, 345,582 and 142,943.52 is: 197,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,397.76 : 345,582 = 142,943.52 : x
  2. Step 2: Convert to fraction form
    250,397.76/345,582 = 142,943.52/x
  3. Step 3: Cross multiply
    250,397.76x = 345,582 × 142,943.52
  4. Step 4: Simplify right side
    250,397.76x = 49,398,707,528.64
  5. Step 5: Solve for x
    x = 49,398,707,528.64/250,397.76
  6. Step 6: Final answer
    x = 197,280.95

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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.