Home / 123,774.04-170,808.38-67,185.40

Finding the Fourth Proportional to 123,774.04, 170,808.38 and 67,185.40

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Solution

The fourth proportional to 123,774.04, 170,808.38 and 67,185.40 is: 92,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,774.04 : 170,808.38 = 67,185.40 : x
  2. Step 2: Convert to fraction form
    123,774.04/170,808.38 = 67,185.40/x
  3. Step 3: Cross multiply
    123,774.04x = 170,808.38 × 67,185.40
  4. Step 4: Simplify right side
    123,774.04x = 11,475,829,333.65
  5. Step 5: Solve for x
    x = 11,475,829,333.65/123,774.04
  6. Step 6: Final answer
    x = 92,715.96

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1.5x scale

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.