Home / 163,775.12-225,869.11-112,870.26

Finding the Fourth Proportional to 163,775.12, 225,869.11 and 112,870.26

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Solution

The fourth proportional to 163,775.12, 225,869.11 and 112,870.26 is: 155,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,775.12 : 225,869.11 = 112,870.26 : x
  2. Step 2: Convert to fraction form
    163,775.12/225,869.11 = 112,870.26/x
  3. Step 3: Cross multiply
    163,775.12x = 225,869.11 × 112,870.26
  4. Step 4: Simplify right side
    163,775.12x = 25,493,904,889.49
  5. Step 5: Solve for x
    x = 25,493,904,889.49/163,775.12
  6. Step 6: Final answer
    x = 155,664.09

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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.