Home / 153,145.74-229,700.37-40,834.38

Finding the Fourth Proportional to 153,145.74, 229,700.37 and 40,834.38

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Solution

The fourth proportional to 153,145.74, 229,700.37 and 40,834.38 is: 61,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,145.74 : 229,700.37 = 40,834.38 : x
  2. Step 2: Convert to fraction form
    153,145.74/229,700.37 = 40,834.38/x
  3. Step 3: Cross multiply
    153,145.74x = 229,700.37 × 40,834.38
  4. Step 4: Simplify right side
    153,145.74x = 9,379,672,194.72
  5. Step 5: Solve for x
    x = 9,379,672,194.72/153,145.74
  6. Step 6: Final answer
    x = 61,246.71

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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.