Home / 213,159.23-319,669.61-70,966.29

Finding the Fourth Proportional to 213,159.23, 319,669.61 and 70,966.29

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Solution

The fourth proportional to 213,159.23, 319,669.61 and 70,966.29 is: 106,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,159.23 : 319,669.61 = 70,966.29 : x
  2. Step 2: Convert to fraction form
    213,159.23/319,669.61 = 70,966.29/x
  3. Step 3: Cross multiply
    213,159.23x = 319,669.61 × 70,966.29
  4. Step 4: Simplify right side
    213,159.23x = 22,685,765,892.62
  5. Step 5: Solve for x
    x = 22,685,765,892.62/213,159.23
  6. Step 6: Final answer
    x = 106,426.39

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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.