Home / 131,527.63-181,465.30-80,487.10

Finding the Fourth Proportional to 131,527.63, 181,465.30 and 80,487.10

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Solution

The fourth proportional to 131,527.63, 181,465.30 and 80,487.10 is: 111,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,527.63 : 181,465.30 = 80,487.10 : x
  2. Step 2: Convert to fraction form
    131,527.63/181,465.30 = 80,487.10/x
  3. Step 3: Cross multiply
    131,527.63x = 181,465.30 × 80,487.10
  4. Step 4: Simplify right side
    131,527.63x = 14,605,615,747.63
  5. Step 5: Solve for x
    x = 14,605,615,747.63/131,527.63
  6. Step 6: Final answer
    x = 111,045.99

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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.