Home / 131,393.51-181,323.03-70,964.17

Finding the Fourth Proportional to 131,393.51, 181,323.03 and 70,964.17

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Solution

The fourth proportional to 131,393.51, 181,323.03 and 70,964.17 is: 97,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,393.51 : 181,323.03 = 70,964.17 : x
  2. Step 2: Convert to fraction form
    131,393.51/181,323.03 = 70,964.17/x
  3. Step 3: Cross multiply
    131,393.51x = 181,323.03 × 70,964.17
  4. Step 4: Simplify right side
    131,393.51x = 12,867,438,325.84
  5. Step 5: Solve for x
    x = 12,867,438,325.84/131,393.51
  6. Step 6: Final answer
    x = 97,930.55

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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.