Home / 131,806.40-197,656.80-48,681.92

Finding the Fourth Proportional to 131,806.40, 197,656.80 and 48,681.92

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Solution

The fourth proportional to 131,806.40, 197,656.80 and 48,681.92 is: 73,003.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806.40 : 197,656.80 = 48,681.92 : x
  2. Step 2: Convert to fraction form
    131,806.40/197,656.80 = 48,681.92/x
  3. Step 3: Cross multiply
    131,806.40x = 197,656.80 × 48,681.92
  4. Step 4: Simplify right side
    131,806.40x = 9,622,312,525.06
  5. Step 5: Solve for x
    x = 9,622,312,525.06/131,806.40
  6. Step 6: Final answer
    x = 73,003.38

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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.