Home / 130,266.16-195,297.16-51,439.40

Finding the Fourth Proportional to 130,266.16, 195,297.16 and 51,439.40

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Solution

The fourth proportional to 130,266.16, 195,297.16 and 51,439.40 is: 77,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.16 : 195,297.16 = 51,439.40 : x
  2. Step 2: Convert to fraction form
    130,266.16/195,297.16 = 51,439.40/x
  3. Step 3: Cross multiply
    130,266.16x = 195,297.16 × 51,439.40
  4. Step 4: Simplify right side
    130,266.16x = 10,045,968,732.10
  5. Step 5: Solve for x
    x = 10,045,968,732.10/130,266.16
  6. Step 6: Final answer
    x = 77,118.79

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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.