Home / 170,339.36-235,162.58-102,372.86

Finding the Fourth Proportional to 170,339.36, 235,162.58 and 102,372.86

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Solution

The fourth proportional to 170,339.36, 235,162.58 and 102,372.86 is: 141,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,339.36 : 235,162.58 = 102,372.86 : x
  2. Step 2: Convert to fraction form
    170,339.36/235,162.58 = 102,372.86/x
  3. Step 3: Cross multiply
    170,339.36x = 235,162.58 × 102,372.86
  4. Step 4: Simplify right side
    170,339.36x = 24,074,265,955.62
  5. Step 5: Solve for x
    x = 24,074,265,955.62/170,339.36
  6. Step 6: Final answer
    x = 141,331.20

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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.