Home / 160,426.38-221,291.55-103,046.39

Finding the Fourth Proportional to 160,426.38, 221,291.55 and 103,046.39

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Solution

The fourth proportional to 160,426.38, 221,291.55 and 103,046.39 is: 142,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,426.38 : 221,291.55 = 103,046.39 : x
  2. Step 2: Convert to fraction form
    160,426.38/221,291.55 = 103,046.39/x
  3. Step 3: Cross multiply
    160,426.38x = 221,291.55 × 103,046.39
  4. Step 4: Simplify right side
    160,426.38x = 22,803,294,258.55
  5. Step 5: Solve for x
    x = 22,803,294,258.55/160,426.38
  6. Step 6: Final answer
    x = 142,141.80

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1.5x scale

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.