Home / 130,055.85-195,083.78-36,561.60

Finding the Fourth Proportional to 130,055.85, 195,083.78 and 36,561.60

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Solution

The fourth proportional to 130,055.85, 195,083.78 and 36,561.60 is: 54,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,055.85 : 195,083.78 = 36,561.60 : x
  2. Step 2: Convert to fraction form
    130,055.85/195,083.78 = 36,561.60/x
  3. Step 3: Cross multiply
    130,055.85x = 195,083.78 × 36,561.60
  4. Step 4: Simplify right side
    130,055.85x = 7,132,574,948.04
  5. Step 5: Solve for x
    x = 7,132,574,948.04/130,055.85
  6. Step 6: Final answer
    x = 54,842.40

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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.