Home / 148,411.70-204,807.69-80,430.62

Finding the Fourth Proportional to 148,411.70, 204,807.69 and 80,430.62

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Solution

The fourth proportional to 148,411.70, 204,807.69 and 80,430.62 is: 110,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,411.70 : 204,807.69 = 80,430.62 : x
  2. Step 2: Convert to fraction form
    148,411.70/204,807.69 = 80,430.62/x
  3. Step 3: Cross multiply
    148,411.70x = 204,807.69 × 80,430.62
  4. Step 4: Simplify right side
    148,411.70x = 16,472,809,487.47
  5. Step 5: Solve for x
    x = 16,472,809,487.47/148,411.70
  6. Step 6: Final answer
    x = 110,994.01

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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.