Home / 170,282.20-255,444.50-57,953.78

Finding the Fourth Proportional to 170,282.20, 255,444.50 and 57,953.78

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Solution

The fourth proportional to 170,282.20, 255,444.50 and 57,953.78 is: 86,937.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,282.20 : 255,444.50 = 57,953.78 : x
  2. Step 2: Convert to fraction form
    170,282.20/255,444.50 = 57,953.78/x
  3. Step 3: Cross multiply
    170,282.20x = 255,444.50 × 57,953.78
  4. Step 4: Simplify right side
    170,282.20x = 14,803,975,138.71
  5. Step 5: Solve for x
    x = 14,803,975,138.71/170,282.20
  6. Step 6: Final answer
    x = 86,937.89

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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.