Home / 145,621.80-200,489.18-113,317.18

Finding the Fourth Proportional to 145,621.80, 200,489.18 and 113,317.18

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Solution

The fourth proportional to 145,621.80, 200,489.18 and 113,317.18 is: 156,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,621.80 : 200,489.18 = 113,317.18 : x
  2. Step 2: Convert to fraction form
    145,621.80/200,489.18 = 113,317.18/x
  3. Step 3: Cross multiply
    145,621.80x = 200,489.18 × 113,317.18
  4. Step 4: Simplify right side
    145,621.80x = 22,718,867,430.30
  5. Step 5: Solve for x
    x = 22,718,867,430.30/145,621.80
  6. Step 6: Final answer
    x = 156,012.82

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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.