Home / 130,153.09-195,259.71-55,275.68

Finding the Fourth Proportional to 130,153.09, 195,259.71 and 55,275.68

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Solution

The fourth proportional to 130,153.09, 195,259.71 and 55,275.68 is: 82,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,153.09 : 195,259.71 = 55,275.68 : x
  2. Step 2: Convert to fraction form
    130,153.09/195,259.71 = 55,275.68/x
  3. Step 3: Cross multiply
    130,153.09x = 195,259.71 × 55,275.68
  4. Step 4: Simplify right side
    130,153.09x = 10,793,113,246.85
  5. Step 5: Solve for x
    x = 10,793,113,246.85/130,153.09
  6. Step 6: Final answer
    x = 82,926.29

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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.