Home / 161,899.20-242,589.60-106,430.40

Finding the Fourth Proportional to 161,899.20, 242,589.60 and 106,430.40

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Solution

The fourth proportional to 161,899.20, 242,589.60 and 106,430.40 is: 159,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,899.20 : 242,589.60 = 106,430.40 : x
  2. Step 2: Convert to fraction form
    161,899.20/242,589.60 = 106,430.40/x
  3. Step 3: Cross multiply
    161,899.20x = 242,589.60 × 106,430.40
  4. Step 4: Simplify right side
    161,899.20x = 25,818,908,163.84
  5. Step 5: Solve for x
    x = 25,818,908,163.84/161,899.20
  6. Step 6: Final answer
    x = 159,475.21

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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.