Home / 130,289.84-195,463.46-74,156.38

Finding the Fourth Proportional to 130,289.84, 195,463.46 and 74,156.38

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Solution

The fourth proportional to 130,289.84, 195,463.46 and 74,156.38 is: 111,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,289.84 : 195,463.46 = 74,156.38 : x
  2. Step 2: Convert to fraction form
    130,289.84/195,463.46 = 74,156.38/x
  3. Step 3: Cross multiply
    130,289.84x = 195,463.46 × 74,156.38
  4. Step 4: Simplify right side
    130,289.84x = 14,494,862,615.87
  5. Step 5: Solve for x
    x = 14,494,862,615.87/130,289.84
  6. Step 6: Final answer
    x = 111,250.91

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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.