Home / 213,320.70-319,981.02-63,557.10

Finding the Fourth Proportional to 213,320.70, 319,981.02 and 63,557.10

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Solution

The fourth proportional to 213,320.70, 319,981.02 and 63,557.10 is: 95,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,320.70 : 319,981.02 = 63,557.10 : x
  2. Step 2: Convert to fraction form
    213,320.70/319,981.02 = 63,557.10/x
  3. Step 3: Cross multiply
    213,320.70x = 319,981.02 × 63,557.10
  4. Step 4: Simplify right side
    213,320.70x = 20,337,065,686.24
  5. Step 5: Solve for x
    x = 20,337,065,686.24/213,320.70
  6. Step 6: Final answer
    x = 95,335.64

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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.