Home / 148,639.20-222,966.36-42,030.84

Finding the Fourth Proportional to 148,639.20, 222,966.36 and 42,030.84

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Solution

The fourth proportional to 148,639.20, 222,966.36 and 42,030.84 is: 63,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,639.20 : 222,966.36 = 42,030.84 : x
  2. Step 2: Convert to fraction form
    148,639.20/222,966.36 = 42,030.84/x
  3. Step 3: Cross multiply
    148,639.20x = 222,966.36 × 42,030.84
  4. Step 4: Simplify right side
    148,639.20x = 9,371,463,402.54
  5. Step 5: Solve for x
    x = 9,371,463,402.54/148,639.20
  6. Step 6: Final answer
    x = 63,048.40

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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.