Home / 130,269.02-179,774.44-72,907.88

Finding the Fourth Proportional to 130,269.02, 179,774.44 and 72,907.88

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Solution

The fourth proportional to 130,269.02, 179,774.44 and 72,907.88 is: 100,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,269.02 : 179,774.44 = 72,907.88 : x
  2. Step 2: Convert to fraction form
    130,269.02/179,774.44 = 72,907.88/x
  3. Step 3: Cross multiply
    130,269.02x = 179,774.44 × 72,907.88
  4. Step 4: Simplify right side
    130,269.02x = 13,106,972,217.45
  5. Step 5: Solve for x
    x = 13,106,972,217.45/130,269.02
  6. Step 6: Final answer
    x = 100,614.66

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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.