Home / 102,048.69-140,824.46-56,725.55

Finding the Fourth Proportional to 102,048.69, 140,824.46 and 56,725.55

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Solution

The fourth proportional to 102,048.69, 140,824.46 and 56,725.55 is: 78,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,048.69 : 140,824.46 = 56,725.55 : x
  2. Step 2: Convert to fraction form
    102,048.69/140,824.46 = 56,725.55/x
  3. Step 3: Cross multiply
    102,048.69x = 140,824.46 × 56,725.55
  4. Step 4: Simplify right side
    102,048.69x = 7,988,343,959.20
  5. Step 5: Solve for x
    x = 7,988,343,959.20/102,048.69
  6. Step 6: Final answer
    x = 78,279.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.