Home / 155,311.63-232,972.61-42,982.45

Finding the Fourth Proportional to 155,311.63, 232,972.61 and 42,982.45

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Solution

The fourth proportional to 155,311.63, 232,972.61 and 42,982.45 is: 64,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,311.63 : 232,972.61 = 42,982.45 : x
  2. Step 2: Convert to fraction form
    155,311.63/232,972.61 = 42,982.45/x
  3. Step 3: Cross multiply
    155,311.63x = 232,972.61 × 42,982.45
  4. Step 4: Simplify right side
    155,311.63x = 10,013,732,763.35
  5. Step 5: Solve for x
    x = 10,013,732,763.35/155,311.63
  6. Step 6: Final answer
    x = 64,475.10

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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.