Home / 130,290.14-179,738.07-75,842.30

Finding the Fourth Proportional to 130,290.14, 179,738.07 and 75,842.30

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Solution

The fourth proportional to 130,290.14, 179,738.07 and 75,842.30 is: 104,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,290.14 : 179,738.07 = 75,842.30 : x
  2. Step 2: Convert to fraction form
    130,290.14/179,738.07 = 75,842.30/x
  3. Step 3: Cross multiply
    130,290.14x = 179,738.07 × 75,842.30
  4. Step 4: Simplify right side
    130,290.14x = 13,631,748,626.36
  5. Step 5: Solve for x
    x = 13,631,748,626.36/130,290.14
  6. Step 6: Final answer
    x = 104,626.10

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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.