Home / 105,963.08-158,944.72-66,547.88

Finding the Fourth Proportional to 105,963.08, 158,944.72 and 66,547.88

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Solution

The fourth proportional to 105,963.08, 158,944.72 and 66,547.88 is: 99,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,963.08 : 158,944.72 = 66,547.88 : x
  2. Step 2: Convert to fraction form
    105,963.08/158,944.72 = 66,547.88/x
  3. Step 3: Cross multiply
    105,963.08x = 158,944.72 × 66,547.88
  4. Step 4: Simplify right side
    105,963.08x = 10,577,434,153.19
  5. Step 5: Solve for x
    x = 10,577,434,153.19/105,963.08
  6. Step 6: Final answer
    x = 99,821.88

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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.