Home / 170,206.32-255,223.68-99,152.40

Finding the Fourth Proportional to 170,206.32, 255,223.68 and 99,152.40

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Solution

The fourth proportional to 170,206.32, 255,223.68 and 99,152.40 is: 148,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,206.32 : 255,223.68 = 99,152.40 : x
  2. Step 2: Convert to fraction form
    170,206.32/255,223.68 = 99,152.40/x
  3. Step 3: Cross multiply
    170,206.32x = 255,223.68 × 99,152.40
  4. Step 4: Simplify right side
    170,206.32x = 25,306,040,408.83
  5. Step 5: Solve for x
    x = 25,306,040,408.83/170,206.32
  6. Step 6: Final answer
    x = 148,678.62

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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.