Home / 179,701.10-247,986.18-99,126.75

Finding the Fourth Proportional to 179,701.10, 247,986.18 and 99,126.75

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Solution

The fourth proportional to 179,701.10, 247,986.18 and 99,126.75 is: 136,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,701.10 : 247,986.18 = 99,126.75 : x
  2. Step 2: Convert to fraction form
    179,701.10/247,986.18 = 99,126.75/x
  3. Step 3: Cross multiply
    179,701.10x = 247,986.18 × 99,126.75
  4. Step 4: Simplify right side
    179,701.10x = 24,582,064,068.32
  5. Step 5: Solve for x
    x = 24,582,064,068.32/179,701.10
  6. Step 6: Final answer
    x = 136,794.18

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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.