Home / 179,901.85-248,279.13-103,445.80

Finding the Fourth Proportional to 179,901.85, 248,279.13 and 103,445.80

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Solution

The fourth proportional to 179,901.85, 248,279.13 and 103,445.80 is: 142,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,901.85 : 248,279.13 = 103,445.80 : x
  2. Step 2: Convert to fraction form
    179,901.85/248,279.13 = 103,445.80/x
  3. Step 3: Cross multiply
    179,901.85x = 248,279.13 × 103,445.80
  4. Step 4: Simplify right side
    179,901.85x = 25,683,433,226.15
  5. Step 5: Solve for x
    x = 25,683,433,226.15/179,901.85
  6. Step 6: Final answer
    x = 142,763.59

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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.