Home / 135,118.20-186,463.16-73,864.67

Finding the Fourth Proportional to 135,118.20, 186,463.16 and 73,864.67

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Solution

The fourth proportional to 135,118.20, 186,463.16 and 73,864.67 is: 101,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,118.20 : 186,463.16 = 73,864.67 : x
  2. Step 2: Convert to fraction form
    135,118.20/186,463.16 = 73,864.67/x
  3. Step 3: Cross multiply
    135,118.20x = 186,463.16 × 73,864.67
  4. Step 4: Simplify right side
    135,118.20x = 13,773,038,478.92
  5. Step 5: Solve for x
    x = 13,773,038,478.92/135,118.20
  6. Step 6: Final answer
    x = 101,933.26

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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.