Home / 215,154.71-296,911.85-118,356.48

Finding the Fourth Proportional to 215,154.71, 296,911.85 and 118,356.48

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Solution

The fourth proportional to 215,154.71, 296,911.85 and 118,356.48 is: 163,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,154.71 : 296,911.85 = 118,356.48 : x
  2. Step 2: Convert to fraction form
    215,154.71/296,911.85 = 118,356.48/x
  3. Step 3: Cross multiply
    215,154.71x = 296,911.85 × 118,356.48
  4. Step 4: Simplify right side
    215,154.71x = 35,141,441,436.29
  5. Step 5: Solve for x
    x = 35,141,441,436.29/215,154.71
  6. Step 6: Final answer
    x = 163,331.03

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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.