Home / 160,448.56-221,410.57-87,837.55

Finding the Fourth Proportional to 160,448.56, 221,410.57 and 87,837.55

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Solution

The fourth proportional to 160,448.56, 221,410.57 and 87,837.55 is: 121,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,448.56 : 221,410.57 = 87,837.55 : x
  2. Step 2: Convert to fraction form
    160,448.56/221,410.57 = 87,837.55/x
  3. Step 3: Cross multiply
    160,448.56x = 221,410.57 × 87,837.55
  4. Step 4: Simplify right side
    160,448.56x = 19,448,162,012.90
  5. Step 5: Solve for x
    x = 19,448,162,012.90/160,448.56
  6. Step 6: Final answer
    x = 121,211.20

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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.