Home / 213,160.86-319,674.65-70,972.92

Finding the Fourth Proportional to 213,160.86, 319,674.65 and 70,972.92

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Solution

The fourth proportional to 213,160.86, 319,674.65 and 70,972.92 is: 106,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,160.86 : 319,674.65 = 70,972.92 : x
  2. Step 2: Convert to fraction form
    213,160.86/319,674.65 = 70,972.92/x
  3. Step 3: Cross multiply
    213,160.86x = 319,674.65 × 70,972.92
  4. Step 4: Simplify right side
    213,160.86x = 22,688,243,005.61
  5. Step 5: Solve for x
    x = 22,688,243,005.61/213,160.86
  6. Step 6: Final answer
    x = 106,437.19

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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.