Home / 131,741.76-197,637.60-52,862.20

Finding the Fourth Proportional to 131,741.76, 197,637.60 and 52,862.20

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Solution

The fourth proportional to 131,741.76, 197,637.60 and 52,862.20 is: 79,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,741.76 : 197,637.60 = 52,862.20 : x
  2. Step 2: Convert to fraction form
    131,741.76/197,637.60 = 52,862.20/x
  3. Step 3: Cross multiply
    131,741.76x = 197,637.60 × 52,862.20
  4. Step 4: Simplify right side
    131,741.76x = 10,447,558,338.72
  5. Step 5: Solve for x
    x = 10,447,558,338.72/131,741.76
  6. Step 6: Final answer
    x = 79,303.32

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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.