Home / 130,287.34-195,459.70-74,153.87

Finding the Fourth Proportional to 130,287.34, 195,459.70 and 74,153.87

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Solution

The fourth proportional to 130,287.34, 195,459.70 and 74,153.87 is: 111,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,287.34 : 195,459.70 = 74,153.87 : x
  2. Step 2: Convert to fraction form
    130,287.34/195,459.70 = 74,153.87/x
  3. Step 3: Cross multiply
    130,287.34x = 195,459.70 × 74,153.87
  4. Step 4: Simplify right side
    130,287.34x = 14,494,093,184.04
  5. Step 5: Solve for x
    x = 14,494,093,184.04/130,287.34
  6. Step 6: Final answer
    x = 111,247.13

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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.