Home / 131,308.81-196,975.60-101,759.74

Finding the Fourth Proportional to 131,308.81, 196,975.60 and 101,759.74

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Solution

The fourth proportional to 131,308.81, 196,975.60 and 101,759.74 is: 152,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,308.81 : 196,975.60 = 101,759.74 : x
  2. Step 2: Convert to fraction form
    131,308.81/196,975.60 = 101,759.74/x
  3. Step 3: Cross multiply
    131,308.81x = 196,975.60 × 101,759.74
  4. Step 4: Simplify right side
    131,308.81x = 20,044,185,095.51
  5. Step 5: Solve for x
    x = 20,044,185,095.51/131,308.81
  6. Step 6: Final answer
    x = 152,649.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.