Home / 130,417.54-195,626.38-71,220.84

Finding the Fourth Proportional to 130,417.54, 195,626.38 and 71,220.84

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Solution

The fourth proportional to 130,417.54, 195,626.38 and 71,220.84 is: 106,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417.54 : 195,626.38 = 71,220.84 : x
  2. Step 2: Convert to fraction form
    130,417.54/195,626.38 = 71,220.84/x
  3. Step 3: Cross multiply
    130,417.54x = 195,626.38 × 71,220.84
  4. Step 4: Simplify right side
    130,417.54x = 13,932,675,109.76
  5. Step 5: Solve for x
    x = 13,932,675,109.76/130,417.54
  6. Step 6: Final answer
    x = 106,831.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.