Home / 127,087.14-175,384.90-76,776.42

Finding the Fourth Proportional to 127,087.14, 175,384.90 and 76,776.42

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Solution

The fourth proportional to 127,087.14, 175,384.90 and 76,776.42 is: 105,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,087.14 : 175,384.90 = 76,776.42 : x
  2. Step 2: Convert to fraction form
    127,087.14/175,384.90 = 76,776.42/x
  3. Step 3: Cross multiply
    127,087.14x = 175,384.90 × 76,776.42
  4. Step 4: Simplify right side
    127,087.14x = 13,465,424,744.06
  5. Step 5: Solve for x
    x = 13,465,424,744.06/127,087.14
  6. Step 6: Final answer
    x = 105,954.27

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1.5x scale

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.