Home / 175,681.12-242,376.96-100,185.88

Finding the Fourth Proportional to 175,681.12, 242,376.96 and 100,185.88

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Solution

The fourth proportional to 175,681.12, 242,376.96 and 100,185.88 is: 138,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,681.12 : 242,376.96 = 100,185.88 : x
  2. Step 2: Convert to fraction form
    175,681.12/242,376.96 = 100,185.88/x
  3. Step 3: Cross multiply
    175,681.12x = 242,376.96 × 100,185.88
  4. Step 4: Simplify right side
    175,681.12x = 24,282,749,029.32
  5. Step 5: Solve for x
    x = 24,282,749,029.32/175,681.12
  6. Step 6: Final answer
    x = 138,220.60

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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.