Home / 159,801.27-220,458.69-112,085.79

Finding the Fourth Proportional to 159,801.27, 220,458.69 and 112,085.79

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Solution

The fourth proportional to 159,801.27, 220,458.69 and 112,085.79 is: 154,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,801.27 : 220,458.69 = 112,085.79 : x
  2. Step 2: Convert to fraction form
    159,801.27/220,458.69 = 112,085.79/x
  3. Step 3: Cross multiply
    159,801.27x = 220,458.69 × 112,085.79
  4. Step 4: Simplify right side
    159,801.27x = 24,710,286,431.02
  5. Step 5: Solve for x
    x = 24,710,286,431.02/159,801.27
  6. Step 6: Final answer
    x = 154,631.35

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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.