Home / 130,143.87-195,198.53-36,656.91

Finding the Fourth Proportional to 130,143.87, 195,198.53 and 36,656.91

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Solution

The fourth proportional to 130,143.87, 195,198.53 and 36,656.91 is: 54,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,143.87 : 195,198.53 = 36,656.91 : x
  2. Step 2: Convert to fraction form
    130,143.87/195,198.53 = 36,656.91/x
  3. Step 3: Cross multiply
    130,143.87x = 195,198.53 × 36,656.91
  4. Step 4: Simplify right side
    130,143.87x = 7,155,374,763.06
  5. Step 5: Solve for x
    x = 7,155,374,763.06/130,143.87
  6. Step 6: Final answer
    x = 54,980.50

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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.