Home / 130,167.68-195,281.55-55,290.24

Finding the Fourth Proportional to 130,167.68, 195,281.55 and 55,290.24

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Solution

The fourth proportional to 130,167.68, 195,281.55 and 55,290.24 is: 82,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,167.68 : 195,281.55 = 55,290.24 : x
  2. Step 2: Convert to fraction form
    130,167.68/195,281.55 = 55,290.24/x
  3. Step 3: Cross multiply
    130,167.68x = 195,281.55 × 55,290.24
  4. Step 4: Simplify right side
    130,167.68x = 10,797,163,767.07
  5. Step 5: Solve for x
    x = 10,797,163,767.07/130,167.68
  6. Step 6: Final answer
    x = 82,948.12

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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.