Home / 130,122.56-195,045.60-51,225.92

Finding the Fourth Proportional to 130,122.56, 195,045.60 and 51,225.92

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Solution

The fourth proportional to 130,122.56, 195,045.60 and 51,225.92 is: 76,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,122.56 : 195,045.60 = 51,225.92 : x
  2. Step 2: Convert to fraction form
    130,122.56/195,045.60 = 51,225.92/x
  3. Step 3: Cross multiply
    130,122.56x = 195,045.60 × 51,225.92
  4. Step 4: Simplify right side
    130,122.56x = 9,991,390,301.95
  5. Step 5: Solve for x
    x = 9,991,390,301.95/130,122.56
  6. Step 6: Final answer
    x = 76,784.46

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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.