Home / 123,384.08-170,270.40-66,795.32

Finding the Fourth Proportional to 123,384.08, 170,270.40 and 66,795.32

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Solution

The fourth proportional to 123,384.08, 170,270.40 and 66,795.32 is: 92,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,384.08 : 170,270.40 = 66,795.32 : x
  2. Step 2: Convert to fraction form
    123,384.08/170,270.40 = 66,795.32/x
  3. Step 3: Cross multiply
    123,384.08x = 170,270.40 × 66,795.32
  4. Step 4: Simplify right side
    123,384.08x = 11,373,265,854.53
  5. Step 5: Solve for x
    x = 11,373,265,854.53/123,384.08
  6. Step 6: Final answer
    x = 92,177.74

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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.