Home / 131,657.08-197,913.30-105,646.36

Finding the Fourth Proportional to 131,657.08, 197,913.30 and 105,646.36

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Solution

The fourth proportional to 131,657.08, 197,913.30 and 105,646.36 is: 158,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,657.08 : 197,913.30 = 105,646.36 : x
  2. Step 2: Convert to fraction form
    131,657.08/197,913.30 = 105,646.36/x
  3. Step 3: Cross multiply
    131,657.08x = 197,913.30 × 105,646.36
  4. Step 4: Simplify right side
    131,657.08x = 20,908,819,740.59
  5. Step 5: Solve for x
    x = 20,908,819,740.59/131,657.08
  6. Step 6: Final answer
    x = 158,812.73

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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.