Home / 130,253.19-179,759.07-72,898.26

Finding the Fourth Proportional to 130,253.19, 179,759.07 and 72,898.26

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Solution

The fourth proportional to 130,253.19, 179,759.07 and 72,898.26 is: 100,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,253.19 : 179,759.07 = 72,898.26 : x
  2. Step 2: Convert to fraction form
    130,253.19/179,759.07 = 72,898.26/x
  3. Step 3: Cross multiply
    130,253.19x = 179,759.07 × 72,898.26
  4. Step 4: Simplify right side
    130,253.19x = 13,104,123,057.73
  5. Step 5: Solve for x
    x = 13,104,123,057.73/130,253.19
  6. Step 6: Final answer
    x = 100,605.01

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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.