Home / 130,251.95-179,757.37-72,897.03

Finding the Fourth Proportional to 130,251.95, 179,757.37 and 72,897.03

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Solution

The fourth proportional to 130,251.95, 179,757.37 and 72,897.03 is: 100,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,251.95 : 179,757.37 = 72,897.03 : x
  2. Step 2: Convert to fraction form
    130,251.95/179,757.37 = 72,897.03/x
  3. Step 3: Cross multiply
    130,251.95x = 179,757.37 × 72,897.03
  4. Step 4: Simplify right side
    130,251.95x = 13,103,778,660.76
  5. Step 5: Solve for x
    x = 13,103,778,660.76/130,251.95
  6. Step 6: Final answer
    x = 100,603.32

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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.