Home / 130,463.46-180,040.23-73,102.89

Finding the Fourth Proportional to 130,463.46, 180,040.23 and 73,102.89

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Solution

The fourth proportional to 130,463.46, 180,040.23 and 73,102.89 is: 100,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,463.46 : 180,040.23 = 73,102.89 : x
  2. Step 2: Convert to fraction form
    130,463.46/180,040.23 = 73,102.89/x
  3. Step 3: Cross multiply
    130,463.46x = 180,040.23 × 73,102.89
  4. Step 4: Simplify right side
    130,463.46x = 13,161,461,129.26
  5. Step 5: Solve for x
    x = 13,161,461,129.26/130,463.46
  6. Step 6: Final answer
    x = 100,882.36

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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.