Home / 140,669.74-194,127.66-77,007.34

Finding the Fourth Proportional to 140,669.74, 194,127.66 and 77,007.34

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Solution

The fourth proportional to 140,669.74, 194,127.66 and 77,007.34 is: 106,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,669.74 : 194,127.66 = 77,007.34 : x
  2. Step 2: Convert to fraction form
    140,669.74/194,127.66 = 77,007.34/x
  3. Step 3: Cross multiply
    140,669.74x = 194,127.66 × 77,007.34
  4. Step 4: Simplify right side
    140,669.74x = 14,949,254,717.02
  5. Step 5: Solve for x
    x = 14,949,254,717.02/140,669.74
  6. Step 6: Final answer
    x = 106,272.00

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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.