Home / 123,526.20-185,289.30-70,892.40

Finding the Fourth Proportional to 123,526.20, 185,289.30 and 70,892.40

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Solution

The fourth proportional to 123,526.20, 185,289.30 and 70,892.40 is: 106,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,526.20 : 185,289.30 = 70,892.40 : x
  2. Step 2: Convert to fraction form
    123,526.20/185,289.30 = 70,892.40/x
  3. Step 3: Cross multiply
    123,526.20x = 185,289.30 × 70,892.40
  4. Step 4: Simplify right side
    123,526.20x = 13,135,603,171.32
  5. Step 5: Solve for x
    x = 13,135,603,171.32/123,526.20
  6. Step 6: Final answer
    x = 106,338.60

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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.