Home / 130,260.15-195,420.94-103,706.53

Finding the Fourth Proportional to 130,260.15, 195,420.94 and 103,706.53

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Solution

The fourth proportional to 130,260.15, 195,420.94 and 103,706.53 is: 155,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,260.15 : 195,420.94 = 103,706.53 : x
  2. Step 2: Convert to fraction form
    130,260.15/195,420.94 = 103,706.53/x
  3. Step 3: Cross multiply
    130,260.15x = 195,420.94 × 103,706.53
  4. Step 4: Simplify right side
    130,260.15x = 20,266,426,828.92
  5. Step 5: Solve for x
    x = 20,266,426,828.92/130,260.15
  6. Step 6: Final answer
    x = 155,584.24

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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.