Home / 160,240.29-221,122.61-87,628.74

Finding the Fourth Proportional to 160,240.29, 221,122.61 and 87,628.74

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Solution

The fourth proportional to 160,240.29, 221,122.61 and 87,628.74 is: 120,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,240.29 : 221,122.61 = 87,628.74 : x
  2. Step 2: Convert to fraction form
    160,240.29/221,122.61 = 87,628.74/x
  3. Step 3: Cross multiply
    160,240.29x = 221,122.61 × 87,628.74
  4. Step 4: Simplify right side
    160,240.29x = 19,376,694,761.07
  5. Step 5: Solve for x
    x = 19,376,694,761.07/160,240.29
  6. Step 6: Final answer
    x = 120,922.74

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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.