Home / 163,495.02-225,621.12-91,887.15

Finding the Fourth Proportional to 163,495.02, 225,621.12 and 91,887.15

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Solution

The fourth proportional to 163,495.02, 225,621.12 and 91,887.15 is: 126,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,495.02 : 225,621.12 = 91,887.15 : x
  2. Step 2: Convert to fraction form
    163,495.02/225,621.12 = 91,887.15/x
  3. Step 3: Cross multiply
    163,495.02x = 225,621.12 × 91,887.15
  4. Step 4: Simplify right side
    163,495.02x = 20,731,681,696.61
  5. Step 5: Solve for x
    x = 20,731,681,696.61/163,495.02
  6. Step 6: Final answer
    x = 126,803.14

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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.