Home / 130,647.68-195,476.03-77,368.26

Finding the Fourth Proportional to 130,647.68, 195,476.03 and 77,368.26

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Solution

The fourth proportional to 130,647.68, 195,476.03 and 77,368.26 is: 115,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,647.68 : 195,476.03 = 77,368.26 : x
  2. Step 2: Convert to fraction form
    130,647.68/195,476.03 = 77,368.26/x
  3. Step 3: Cross multiply
    130,647.68x = 195,476.03 × 77,368.26
  4. Step 4: Simplify right side
    130,647.68x = 15,123,641,384.33
  5. Step 5: Solve for x
    x = 15,123,641,384.33/130,647.68
  6. Step 6: Final answer
    x = 115,758.97

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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.