Home / 194,271.60-268,116.12-122,647.92

Finding the Fourth Proportional to 194,271.60, 268,116.12 and 122,647.92

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Solution

The fourth proportional to 194,271.60, 268,116.12 and 122,647.92 is: 169,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,271.60 : 268,116.12 = 122,647.92 : x
  2. Step 2: Convert to fraction form
    194,271.60/268,116.12 = 122,647.92/x
  3. Step 3: Cross multiply
    194,271.60x = 268,116.12 × 122,647.92
  4. Step 4: Simplify right side
    194,271.60x = 32,883,884,436.47
  5. Step 5: Solve for x
    x = 32,883,884,436.47/194,271.60
  6. Step 6: Final answer
    x = 169,267.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.