Home / 170,416.92-255,452.22-70,631.40

Finding the Fourth Proportional to 170,416.92, 255,452.22 and 70,631.40

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Solution

The fourth proportional to 170,416.92, 255,452.22 and 70,631.40 is: 105,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,416.92 : 255,452.22 = 70,631.40 : x
  2. Step 2: Convert to fraction form
    170,416.92/255,452.22 = 70,631.40/x
  3. Step 3: Cross multiply
    170,416.92x = 255,452.22 × 70,631.40
  4. Step 4: Simplify right side
    170,416.92x = 18,042,947,931.71
  5. Step 5: Solve for x
    x = 18,042,947,931.71/170,416.92
  6. Step 6: Final answer
    x = 105,875.33

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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.