Home / 154,302.86-231,269.34-79,458.32

Finding the Fourth Proportional to 154,302.86, 231,269.34 and 79,458.32

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Solution

The fourth proportional to 154,302.86, 231,269.34 and 79,458.32 is: 119,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,302.86 : 231,269.34 = 79,458.32 : x
  2. Step 2: Convert to fraction form
    154,302.86/231,269.34 = 79,458.32/x
  3. Step 3: Cross multiply
    154,302.86x = 231,269.34 × 79,458.32
  4. Step 4: Simplify right side
    154,302.86x = 18,376,273,223.91
  5. Step 5: Solve for x
    x = 18,376,273,223.91/154,302.86
  6. Step 6: Final answer
    x = 119,092.24

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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.