Home / 537,973.20-806,959.80-143,989.20

Finding the Fourth Proportional to 537,973.20, 806,959.80 and 143,989.20

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Solution

The fourth proportional to 537,973.20, 806,959.80 and 143,989.20 is: 215,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,973.20 : 806,959.80 = 143,989.20 : x
  2. Step 2: Convert to fraction form
    537,973.20/806,959.80 = 143,989.20/x
  3. Step 3: Cross multiply
    537,973.20x = 806,959.80 × 143,989.20
  4. Step 4: Simplify right side
    537,973.20x = 116,193,496,034.16
  5. Step 5: Solve for x
    x = 116,193,496,034.16/537,973.20
  6. Step 6: Final answer
    x = 215,983.80

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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.