Home / 140,631.67-194,070.55-76,969.32

Finding the Fourth Proportional to 140,631.67, 194,070.55 and 76,969.32

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Solution

The fourth proportional to 140,631.67, 194,070.55 and 76,969.32 is: 106,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,631.67 : 194,070.55 = 76,969.32 : x
  2. Step 2: Convert to fraction form
    140,631.67/194,070.55 = 76,969.32/x
  3. Step 3: Cross multiply
    140,631.67x = 194,070.55 × 76,969.32
  4. Step 4: Simplify right side
    140,631.67x = 14,937,478,265.53
  5. Step 5: Solve for x
    x = 14,937,478,265.53/140,631.67
  6. Step 6: Final answer
    x = 106,217.03

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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.