Home / 130,955.17-196,268.41-55,987.20

Finding the Fourth Proportional to 130,955.17, 196,268.41 and 55,987.20

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Solution

The fourth proportional to 130,955.17, 196,268.41 and 55,987.20 is: 83,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,955.17 : 196,268.41 = 55,987.20 : x
  2. Step 2: Convert to fraction form
    130,955.17/196,268.41 = 55,987.20/x
  3. Step 3: Cross multiply
    130,955.17x = 196,268.41 × 55,987.20
  4. Step 4: Simplify right side
    130,955.17x = 10,988,518,724.35
  5. Step 5: Solve for x
    x = 10,988,518,724.35/130,955.17
  6. Step 6: Final answer
    x = 83,910.54

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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.