Home / 88,705.10-133,057.65-72,958.70

Finding the Fourth Proportional to 88,705.10, 133,057.65 and 72,958.70

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Solution

The fourth proportional to 88,705.10, 133,057.65 and 72,958.70 is: 109,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.10 : 133,057.65 = 72,958.70 : x
  2. Step 2: Convert to fraction form
    88,705.10/133,057.65 = 72,958.70/x
  3. Step 3: Cross multiply
    88,705.10x = 133,057.65 × 72,958.70
  4. Step 4: Simplify right side
    88,705.10x = 9,707,713,169.06
  5. Step 5: Solve for x
    x = 9,707,713,169.06/88,705.10
  6. Step 6: Final answer
    x = 109,438.05

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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.