Home / 105,807.05-146,013.65-60,486.03

Finding the Fourth Proportional to 105,807.05, 146,013.65 and 60,486.03

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Solution

The fourth proportional to 105,807.05, 146,013.65 and 60,486.03 is: 83,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,807.05 : 146,013.65 = 60,486.03 : x
  2. Step 2: Convert to fraction form
    105,807.05/146,013.65 = 60,486.03/x
  3. Step 3: Cross multiply
    105,807.05x = 146,013.65 × 60,486.03
  4. Step 4: Simplify right side
    105,807.05x = 8,831,785,938.70
  5. Step 5: Solve for x
    x = 8,831,785,938.70/105,807.05
  6. Step 6: Final answer
    x = 83,470.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.