Home / 154,024.92-230,799.24-120,210.78

Finding the Fourth Proportional to 154,024.92, 230,799.24 and 120,210.78

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Solution

The fourth proportional to 154,024.92, 230,799.24 and 120,210.78 is: 180,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,024.92 : 230,799.24 = 120,210.78 : x
  2. Step 2: Convert to fraction form
    154,024.92/230,799.24 = 120,210.78/x
  3. Step 3: Cross multiply
    154,024.92x = 230,799.24 × 120,210.78
  4. Step 4: Simplify right side
    154,024.92x = 27,744,556,663.81
  5. Step 5: Solve for x
    x = 27,744,556,663.81/154,024.92
  6. Step 6: Final answer
    x = 180,130.31

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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.