Home / 160,448.31-221,410.23-87,837.30

Finding the Fourth Proportional to 160,448.31, 221,410.23 and 87,837.30

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Solution

The fourth proportional to 160,448.31, 221,410.23 and 87,837.30 is: 121,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,448.31 : 221,410.23 = 87,837.30 : x
  2. Step 2: Convert to fraction form
    160,448.31/221,410.23 = 87,837.30/x
  3. Step 3: Cross multiply
    160,448.31x = 221,410.23 × 87,837.30
  4. Step 4: Simplify right side
    160,448.31x = 19,448,076,795.58
  5. Step 5: Solve for x
    x = 19,448,076,795.58/160,448.31
  6. Step 6: Final answer
    x = 121,210.85

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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.