Home / 140,835.60-194,360.58-77,176.08

Finding the Fourth Proportional to 140,835.60, 194,360.58 and 77,176.08

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Solution

The fourth proportional to 140,835.60, 194,360.58 and 77,176.08 is: 106,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,835.60 : 194,360.58 = 77,176.08 : x
  2. Step 2: Convert to fraction form
    140,835.60/194,360.58 = 77,176.08/x
  3. Step 3: Cross multiply
    140,835.60x = 194,360.58 × 77,176.08
  4. Step 4: Simplify right side
    140,835.60x = 14,999,987,670.93
  5. Step 5: Solve for x
    x = 14,999,987,670.93/140,835.60
  6. Step 6: Final answer
    x = 106,507.07

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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.