Home / 161,476.72-242,144.47-81,465.46

Finding the Fourth Proportional to 161,476.72, 242,144.47 and 81,465.46

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Solution

The fourth proportional to 161,476.72, 242,144.47 and 81,465.46 is: 122,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,476.72 : 242,144.47 = 81,465.46 : x
  2. Step 2: Convert to fraction form
    161,476.72/242,144.47 = 81,465.46/x
  3. Step 3: Cross multiply
    161,476.72x = 242,144.47 × 81,465.46
  4. Step 4: Simplify right side
    161,476.72x = 19,726,410,635.01
  5. Step 5: Solve for x
    x = 19,726,410,635.01/161,476.72
  6. Step 6: Final answer
    x = 122,162.57

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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.