Home / 137,956.07-190,384.39-77,527.91

Finding the Fourth Proportional to 137,956.07, 190,384.39 and 77,527.91

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Solution

The fourth proportional to 137,956.07, 190,384.39 and 77,527.91 is: 106,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,956.07 : 190,384.39 = 77,527.91 : x
  2. Step 2: Convert to fraction form
    137,956.07/190,384.39 = 77,527.91/x
  3. Step 3: Cross multiply
    137,956.07x = 190,384.39 × 77,527.91
  4. Step 4: Simplify right side
    137,956.07x = 14,760,104,426.20
  5. Step 5: Solve for x
    x = 14,760,104,426.20/137,956.07
  6. Step 6: Final answer
    x = 106,991.34

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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.