Home / 170,514.45-255,275.96-99,219.80

Finding the Fourth Proportional to 170,514.45, 255,275.96 and 99,219.80

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Solution

The fourth proportional to 170,514.45, 255,275.96 and 99,219.80 is: 148,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,514.45 : 255,275.96 = 99,219.80 : x
  2. Step 2: Convert to fraction form
    170,514.45/255,275.96 = 99,219.80/x
  3. Step 3: Cross multiply
    170,514.45x = 255,275.96 × 99,219.80
  4. Step 4: Simplify right side
    170,514.45x = 25,328,429,838.10
  5. Step 5: Solve for x
    x = 25,328,429,838.10/170,514.45
  6. Step 6: Final answer
    x = 148,541.25

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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.