Home / 140,656.74-194,106.83-77,000.46

Finding the Fourth Proportional to 140,656.74, 194,106.83 and 77,000.46

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Solution

The fourth proportional to 140,656.74, 194,106.83 and 77,000.46 is: 106,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,656.74 : 194,106.83 = 77,000.46 : x
  2. Step 2: Convert to fraction form
    140,656.74/194,106.83 = 77,000.46/x
  3. Step 3: Cross multiply
    140,656.74x = 194,106.83 × 77,000.46
  4. Step 4: Simplify right side
    140,656.74x = 14,946,314,814.14
  5. Step 5: Solve for x
    x = 14,946,314,814.14/140,656.74
  6. Step 6: Final answer
    x = 106,260.92

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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.