Home / 113,368.28-170,002.80-43,198.40

Finding the Fourth Proportional to 113,368.28, 170,002.80 and 43,198.40

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Solution

The fourth proportional to 113,368.28, 170,002.80 and 43,198.40 is: 64,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,368.28 : 170,002.80 = 43,198.40 : x
  2. Step 2: Convert to fraction form
    113,368.28/170,002.80 = 43,198.40/x
  3. Step 3: Cross multiply
    113,368.28x = 170,002.80 × 43,198.40
  4. Step 4: Simplify right side
    113,368.28x = 7,343,848,955.52
  5. Step 5: Solve for x
    x = 7,343,848,955.52/113,368.28
  6. Step 6: Final answer
    x = 64,778.69

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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.