Home / 147,228.36-220,877.78-47,397.89

Finding the Fourth Proportional to 147,228.36, 220,877.78 and 47,397.89

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Solution

The fourth proportional to 147,228.36, 220,877.78 and 47,397.89 is: 71,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,228.36 : 220,877.78 = 47,397.89 : x
  2. Step 2: Convert to fraction form
    147,228.36/220,877.78 = 47,397.89/x
  3. Step 3: Cross multiply
    147,228.36x = 220,877.78 × 47,397.89
  4. Step 4: Simplify right side
    147,228.36x = 10,469,139,378.51
  5. Step 5: Solve for x
    x = 10,469,139,378.51/147,228.36
  6. Step 6: Final answer
    x = 71,108.17

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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.