Home / 130,472.12-180,042.06-73,103.34

Finding the Fourth Proportional to 130,472.12, 180,042.06 and 73,103.34

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Solution

The fourth proportional to 130,472.12, 180,042.06 and 73,103.34 is: 100,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,472.12 : 180,042.06 = 73,103.34 : x
  2. Step 2: Convert to fraction form
    130,472.12/180,042.06 = 73,103.34/x
  3. Step 3: Cross multiply
    130,472.12x = 180,042.06 × 73,103.34
  4. Step 4: Simplify right side
    130,472.12x = 13,161,675,926.48
  5. Step 5: Solve for x
    x = 13,161,675,926.48/130,472.12
  6. Step 6: Final answer
    x = 100,877.31

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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.