Home / 130,669.28-195,925.51-45,252

Finding the Fourth Proportional to 130,669.28, 195,925.51 and 45,252

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Solution

The fourth proportional to 130,669.28, 195,925.51 and 45,252 is: 67,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,669.28 : 195,925.51 = 45,252 : x
  2. Step 2: Convert to fraction form
    130,669.28/195,925.51 = 45,252/x
  3. Step 3: Cross multiply
    130,669.28x = 195,925.51 × 45,252
  4. Step 4: Simplify right side
    130,669.28x = 8,866,021,107.81
  5. Step 5: Solve for x
    x = 8,866,021,107.81/130,669.28
  6. Step 6: Final answer
    x = 67,850.84

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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.