Home / 103,420.47-155,164.13-50,793.05

Finding the Fourth Proportional to 103,420.47, 155,164.13 and 50,793.05

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Solution

The fourth proportional to 103,420.47, 155,164.13 and 50,793.05 is: 76,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,420.47 : 155,164.13 = 50,793.05 : x
  2. Step 2: Convert to fraction form
    103,420.47/155,164.13 = 50,793.05/x
  3. Step 3: Cross multiply
    103,420.47x = 155,164.13 × 50,793.05
  4. Step 4: Simplify right side
    103,420.47x = 7,881,258,383.51
  5. Step 5: Solve for x
    x = 7,881,258,383.51/103,420.47
  6. Step 6: Final answer
    x = 76,205.98

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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.