Home / 146,746.20-202,510.68-79,678.20

Finding the Fourth Proportional to 146,746.20, 202,510.68 and 79,678.20

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Solution

The fourth proportional to 146,746.20, 202,510.68 and 79,678.20 is: 109,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,746.20 : 202,510.68 = 79,678.20 : x
  2. Step 2: Convert to fraction form
    146,746.20/202,510.68 = 79,678.20/x
  3. Step 3: Cross multiply
    146,746.20x = 202,510.68 × 79,678.20
  4. Step 4: Simplify right side
    146,746.20x = 16,135,686,463.18
  5. Step 5: Solve for x
    x = 16,135,686,463.18/146,746.20
  6. Step 6: Final answer
    x = 109,956.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.