Home / 146,139.14-219,215.10-46,306.70

Finding the Fourth Proportional to 146,139.14, 219,215.10 and 46,306.70

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Solution

The fourth proportional to 146,139.14, 219,215.10 and 46,306.70 is: 69,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139.14 : 219,215.10 = 46,306.70 : x
  2. Step 2: Convert to fraction form
    146,139.14/219,215.10 = 46,306.70/x
  3. Step 3: Cross multiply
    146,139.14x = 219,215.10 × 46,306.70
  4. Step 4: Simplify right side
    146,139.14x = 10,151,126,775.09
  5. Step 5: Solve for x
    x = 10,151,126,775.09/146,139.14
  6. Step 6: Final answer
    x = 69,462.07

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1.5x scale

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.