Home / 171,030.42-235,910.34-103,000.68

Finding the Fourth Proportional to 171,030.42, 235,910.34 and 103,000.68

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Solution

The fourth proportional to 171,030.42, 235,910.34 and 103,000.68 is: 142,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,030.42 : 235,910.34 = 103,000.68 : x
  2. Step 2: Convert to fraction form
    171,030.42/235,910.34 = 103,000.68/x
  3. Step 3: Cross multiply
    171,030.42x = 235,910.34 × 103,000.68
  4. Step 4: Simplify right side
    171,030.42x = 24,298,925,439.03
  5. Step 5: Solve for x
    x = 24,298,925,439.03/171,030.42
  6. Step 6: Final answer
    x = 142,073.71

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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.