Home / 194,808.69-268,790.34-118,325.66

Finding the Fourth Proportional to 194,808.69, 268,790.34 and 118,325.66

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Solution

The fourth proportional to 194,808.69, 268,790.34 and 118,325.66 is: 163,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,808.69 : 268,790.34 = 118,325.66 : x
  2. Step 2: Convert to fraction form
    194,808.69/268,790.34 = 118,325.66/x
  3. Step 3: Cross multiply
    194,808.69x = 268,790.34 × 118,325.66
  4. Step 4: Simplify right side
    194,808.69x = 31,804,793,038.17
  5. Step 5: Solve for x
    x = 31,804,793,038.17/194,808.69
  6. Step 6: Final answer
    x = 163,261.68

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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.