Home / 163,291.02-225,334.35-91,669.74

Finding the Fourth Proportional to 163,291.02, 225,334.35 and 91,669.74

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Solution

The fourth proportional to 163,291.02, 225,334.35 and 91,669.74 is: 126,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,291.02 : 225,334.35 = 91,669.74 : x
  2. Step 2: Convert to fraction form
    163,291.02/225,334.35 = 91,669.74/x
  3. Step 3: Cross multiply
    163,291.02x = 225,334.35 × 91,669.74
  4. Step 4: Simplify right side
    163,291.02x = 20,656,341,277.57
  5. Step 5: Solve for x
    x = 20,656,341,277.57/163,291.02
  6. Step 6: Final answer
    x = 126,500.17

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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.