Home / 148,730.80-222,804.60-89,390.20

Finding the Fourth Proportional to 148,730.80, 222,804.60 and 89,390.20

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Solution

The fourth proportional to 148,730.80, 222,804.60 and 89,390.20 is: 133,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,730.80 : 222,804.60 = 89,390.20 : x
  2. Step 2: Convert to fraction form
    148,730.80/222,804.60 = 89,390.20/x
  3. Step 3: Cross multiply
    148,730.80x = 222,804.60 × 89,390.20
  4. Step 4: Simplify right side
    148,730.80x = 19,916,547,754.92
  5. Step 5: Solve for x
    x = 19,916,547,754.92/148,730.80
  6. Step 6: Final answer
    x = 133,910.04

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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.