Home / 130,178.22-195,378.27-51,347.80

Finding the Fourth Proportional to 130,178.22, 195,378.27 and 51,347.80

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Solution

The fourth proportional to 130,178.22, 195,378.27 and 51,347.80 is: 77,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,178.22 : 195,378.27 = 51,347.80 : x
  2. Step 2: Convert to fraction form
    130,178.22/195,378.27 = 51,347.80/x
  3. Step 3: Cross multiply
    130,178.22x = 195,378.27 × 51,347.80
  4. Step 4: Simplify right side
    130,178.22x = 10,032,244,332.31
  5. Step 5: Solve for x
    x = 10,032,244,332.31/130,178.22
  6. Step 6: Final answer
    x = 77,065.46

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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.