Home / 109,458.23-151,046.57-61,065.20

Finding the Fourth Proportional to 109,458.23, 151,046.57 and 61,065.20

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Solution

The fourth proportional to 109,458.23, 151,046.57 and 61,065.20 is: 84,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,458.23 : 151,046.57 = 61,065.20 : x
  2. Step 2: Convert to fraction form
    109,458.23/151,046.57 = 61,065.20/x
  3. Step 3: Cross multiply
    109,458.23x = 151,046.57 × 61,065.20
  4. Step 4: Simplify right side
    109,458.23x = 9,223,689,536.64
  5. Step 5: Solve for x
    x = 9,223,689,536.64/109,458.23
  6. Step 6: Final answer
    x = 84,266.76

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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.