Home / 161,315.32-242,022.21-82,484.92

Finding the Fourth Proportional to 161,315.32, 242,022.21 and 82,484.92

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Solution

The fourth proportional to 161,315.32, 242,022.21 and 82,484.92 is: 123,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,315.32 : 242,022.21 = 82,484.92 : x
  2. Step 2: Convert to fraction form
    161,315.32/242,022.21 = 82,484.92/x
  3. Step 3: Cross multiply
    161,315.32x = 242,022.21 × 82,484.92
  4. Step 4: Simplify right side
    161,315.32x = 19,963,182,630.07
  5. Step 5: Solve for x
    x = 19,963,182,630.07/161,315.32
  6. Step 6: Final answer
    x = 123,752.55

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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.