Home / 234,420.60-323,501.27-126,990.37

Finding the Fourth Proportional to 234,420.60, 323,501.27 and 126,990.37

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Solution

The fourth proportional to 234,420.60, 323,501.27 and 126,990.37 is: 175,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,420.60 : 323,501.27 = 126,990.37 : x
  2. Step 2: Convert to fraction form
    234,420.60/323,501.27 = 126,990.37/x
  3. Step 3: Cross multiply
    234,420.60x = 323,501.27 × 126,990.37
  4. Step 4: Simplify right side
    234,420.60x = 41,081,545,972.77
  5. Step 5: Solve for x
    x = 41,081,545,972.77/234,420.60
  6. Step 6: Final answer
    x = 175,247.17

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1.5x scale

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.