Home / 130,240.60-195,425.70-74,123.80

Finding the Fourth Proportional to 130,240.60, 195,425.70 and 74,123.80

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Solution

The fourth proportional to 130,240.60, 195,425.70 and 74,123.80 is: 111,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,240.60 : 195,425.70 = 74,123.80 : x
  2. Step 2: Convert to fraction form
    130,240.60/195,425.70 = 74,123.80/x
  3. Step 3: Cross multiply
    130,240.60x = 195,425.70 × 74,123.80
  4. Step 4: Simplify right side
    130,240.60x = 14,485,695,501.66
  5. Step 5: Solve for x
    x = 14,485,695,501.66/130,240.60
  6. Step 6: Final answer
    x = 111,222.58

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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.