Home / 218,005.02-326,866.95-104,091.21

Finding the Fourth Proportional to 218,005.02, 326,866.95 and 104,091.21

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Solution

The fourth proportional to 218,005.02, 326,866.95 and 104,091.21 is: 156,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,005.02 : 326,866.95 = 104,091.21 : x
  2. Step 2: Convert to fraction form
    218,005.02/326,866.95 = 104,091.21/x
  3. Step 3: Cross multiply
    218,005.02x = 326,866.95 × 104,091.21
  4. Step 4: Simplify right side
    218,005.02x = 34,023,976,334.51
  5. Step 5: Solve for x
    x = 34,023,976,334.51/218,005.02
  6. Step 6: Final answer
    x = 156,069.69

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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.