Home / 130,113.60-195,091.20-51,133.20

Finding the Fourth Proportional to 130,113.60, 195,091.20 and 51,133.20

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Solution

The fourth proportional to 130,113.60, 195,091.20 and 51,133.20 is: 76,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,113.60 : 195,091.20 = 51,133.20 : x
  2. Step 2: Convert to fraction form
    130,113.60/195,091.20 = 51,133.20/x
  3. Step 3: Cross multiply
    130,113.60x = 195,091.20 × 51,133.20
  4. Step 4: Simplify right side
    130,113.60x = 9,975,637,347.84
  5. Step 5: Solve for x
    x = 9,975,637,347.84/130,113.60
  6. Step 6: Final answer
    x = 76,668.68

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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.