Home / 160,145.05-240,245.21-65,426.71

Finding the Fourth Proportional to 160,145.05, 240,245.21 and 65,426.71

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Solution

The fourth proportional to 160,145.05, 240,245.21 and 65,426.71 is: 98,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,145.05 : 240,245.21 = 65,426.71 : x
  2. Step 2: Convert to fraction form
    160,145.05/240,245.21 = 65,426.71/x
  3. Step 3: Cross multiply
    160,145.05x = 240,245.21 × 65,426.71
  4. Step 4: Simplify right side
    160,145.05x = 15,718,453,356.43
  5. Step 5: Solve for x
    x = 15,718,453,356.43/160,145.05
  6. Step 6: Final answer
    x = 98,151.35

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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.