Home / 130,461.14-180,031.34-73,872.66

Finding the Fourth Proportional to 130,461.14, 180,031.34 and 73,872.66

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Solution

The fourth proportional to 130,461.14, 180,031.34 and 73,872.66 is: 101,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,461.14 : 180,031.34 = 73,872.66 : x
  2. Step 2: Convert to fraction form
    130,461.14/180,031.34 = 73,872.66/x
  3. Step 3: Cross multiply
    130,461.14x = 180,031.34 × 73,872.66
  4. Step 4: Simplify right side
    130,461.14x = 13,299,393,969.16
  5. Step 5: Solve for x
    x = 13,299,393,969.16/130,461.14
  6. Step 6: Final answer
    x = 101,941.42

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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.