Home / 130,363.40-195,465.90-51,386.60

Finding the Fourth Proportional to 130,363.40, 195,465.90 and 51,386.60

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Solution

The fourth proportional to 130,363.40, 195,465.90 and 51,386.60 is: 77,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.40 : 195,465.90 = 51,386.60 : x
  2. Step 2: Convert to fraction form
    130,363.40/195,465.90 = 51,386.60/x
  3. Step 3: Cross multiply
    130,363.40x = 195,465.90 × 51,386.60
  4. Step 4: Simplify right side
    130,363.40x = 10,044,328,016.94
  5. Step 5: Solve for x
    x = 10,044,328,016.94/130,363.40
  6. Step 6: Final answer
    x = 77,048.68

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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.