Home / 99,519.84-137,323.08-70,913.88

Finding the Fourth Proportional to 99,519.84, 137,323.08 and 70,913.88

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Solution

The fourth proportional to 99,519.84, 137,323.08 and 70,913.88 is: 97,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,519.84 : 137,323.08 = 70,913.88 : x
  2. Step 2: Convert to fraction form
    99,519.84/137,323.08 = 70,913.88/x
  3. Step 3: Cross multiply
    99,519.84x = 137,323.08 × 70,913.88
  4. Step 4: Simplify right side
    99,519.84x = 9,738,112,416.35
  5. Step 5: Solve for x
    x = 9,738,112,416.35/99,519.84
  6. Step 6: Final answer
    x = 97,850.97

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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.