Home / 154,210.91-231,338.03-47,603.57

Finding the Fourth Proportional to 154,210.91, 231,338.03 and 47,603.57

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Solution

The fourth proportional to 154,210.91, 231,338.03 and 47,603.57 is: 71,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,210.91 : 231,338.03 = 47,603.57 : x
  2. Step 2: Convert to fraction form
    154,210.91/231,338.03 = 47,603.57/x
  3. Step 3: Cross multiply
    154,210.91x = 231,338.03 × 47,603.57
  4. Step 4: Simplify right side
    154,210.91x = 11,012,514,710.06
  5. Step 5: Solve for x
    x = 11,012,514,710.06/154,210.91
  6. Step 6: Final answer
    x = 71,412.04

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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.