Home / 130,211.02-179,729.03-75,775.91

Finding the Fourth Proportional to 130,211.02, 179,729.03 and 75,775.91

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Solution

The fourth proportional to 130,211.02, 179,729.03 and 75,775.91 is: 104,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211.02 : 179,729.03 = 75,775.91 : x
  2. Step 2: Convert to fraction form
    130,211.02/179,729.03 = 75,775.91/x
  3. Step 3: Cross multiply
    130,211.02x = 179,729.03 × 75,775.91
  4. Step 4: Simplify right side
    130,211.02x = 13,619,129,666.22
  5. Step 5: Solve for x
    x = 13,619,129,666.22/130,211.02
  6. Step 6: Final answer
    x = 104,592.76

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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.