Home / 108,852.65-163,341.25-42,284.15

Finding the Fourth Proportional to 108,852.65, 163,341.25 and 42,284.15

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Solution

The fourth proportional to 108,852.65, 163,341.25 and 42,284.15 is: 63,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,852.65 : 163,341.25 = 42,284.15 : x
  2. Step 2: Convert to fraction form
    108,852.65/163,341.25 = 42,284.15/x
  3. Step 3: Cross multiply
    108,852.65x = 163,341.25 × 42,284.15
  4. Step 4: Simplify right side
    108,852.65x = 6,906,744,993.77
  5. Step 5: Solve for x
    x = 6,906,744,993.77/108,852.65
  6. Step 6: Final answer
    x = 63,450.41

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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.