Home / 140,663.71-194,119.37-77,001.36

Finding the Fourth Proportional to 140,663.71, 194,119.37 and 77,001.36

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Solution

The fourth proportional to 140,663.71, 194,119.37 and 77,001.36 is: 106,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,663.71 : 194,119.37 = 77,001.36 : x
  2. Step 2: Convert to fraction form
    140,663.71/194,119.37 = 77,001.36/x
  3. Step 3: Cross multiply
    140,663.71x = 194,119.37 × 77,001.36
  4. Step 4: Simplify right side
    140,663.71x = 14,947,455,492.34
  5. Step 5: Solve for x
    x = 14,947,455,492.34/140,663.71
  6. Step 6: Final answer
    x = 106,263.77

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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.