Home / 155,337.84-232,968.12-66,581.28

Finding the Fourth Proportional to 155,337.84, 232,968.12 and 66,581.28

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Solution

The fourth proportional to 155,337.84, 232,968.12 and 66,581.28 is: 99,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,337.84 : 232,968.12 = 66,581.28 : x
  2. Step 2: Convert to fraction form
    155,337.84/232,968.12 = 66,581.28/x
  3. Step 3: Cross multiply
    155,337.84x = 232,968.12 × 66,581.28
  4. Step 4: Simplify right side
    155,337.84x = 15,511,315,628.79
  5. Step 5: Solve for x
    x = 15,511,315,628.79/155,337.84
  6. Step 6: Final answer
    x = 99,855.36

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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.