Home / 123,344.40-185,016.60-70,856.40

Finding the Fourth Proportional to 123,344.40, 185,016.60 and 70,856.40

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Solution

The fourth proportional to 123,344.40, 185,016.60 and 70,856.40 is: 106,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.40 : 185,016.60 = 70,856.40 : x
  2. Step 2: Convert to fraction form
    123,344.40/185,016.60 = 70,856.40/x
  3. Step 3: Cross multiply
    123,344.40x = 185,016.60 × 70,856.40
  4. Step 4: Simplify right side
    123,344.40x = 13,109,610,216.24
  5. Step 5: Solve for x
    x = 13,109,610,216.24/123,344.40
  6. Step 6: Final answer
    x = 106,284.60

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1.5x scale

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.