Home / 131,368.74-197,080.79-42,615.32

Finding the Fourth Proportional to 131,368.74, 197,080.79 and 42,615.32

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Solution

The fourth proportional to 131,368.74, 197,080.79 and 42,615.32 is: 63,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,368.74 : 197,080.79 = 42,615.32 : x
  2. Step 2: Convert to fraction form
    131,368.74/197,080.79 = 42,615.32/x
  3. Step 3: Cross multiply
    131,368.74x = 197,080.79 × 42,615.32
  4. Step 4: Simplify right side
    131,368.74x = 8,398,659,733.22
  5. Step 5: Solve for x
    x = 8,398,659,733.22/131,368.74
  6. Step 6: Final answer
    x = 63,931.95

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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.