Home / 180,364.50-248,882.40-99,780.84

Finding the Fourth Proportional to 180,364.50, 248,882.40 and 99,780.84

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Solution

The fourth proportional to 180,364.50, 248,882.40 and 99,780.84 is: 137,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,364.50 : 248,882.40 = 99,780.84 : x
  2. Step 2: Convert to fraction form
    180,364.50/248,882.40 = 99,780.84/x
  3. Step 3: Cross multiply
    180,364.50x = 248,882.40 × 99,780.84
  4. Step 4: Simplify right side
    180,364.50x = 24,833,694,933.22
  5. Step 5: Solve for x
    x = 24,833,694,933.22/180,364.50
  6. Step 6: Final answer
    x = 137,686.16

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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.