Home / 170,929.20-255,895.50-99,633.72

Finding the Fourth Proportional to 170,929.20, 255,895.50 and 99,633.72

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Solution

The fourth proportional to 170,929.20, 255,895.50 and 99,633.72 is: 149,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,929.20 : 255,895.50 = 99,633.72 : x
  2. Step 2: Convert to fraction form
    170,929.20/255,895.50 = 99,633.72/x
  3. Step 3: Cross multiply
    170,929.20x = 255,895.50 × 99,633.72
  4. Step 4: Simplify right side
    170,929.20x = 25,495,820,596.26
  5. Step 5: Solve for x
    x = 25,495,820,596.26/170,929.20
  6. Step 6: Final answer
    x = 149,160.12

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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.