Home / 117,621.10-162,314.31-63,904.90

Finding the Fourth Proportional to 117,621.10, 162,314.31 and 63,904.90

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Solution

The fourth proportional to 117,621.10, 162,314.31 and 63,904.90 is: 88,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,621.10 : 162,314.31 = 63,904.90 : x
  2. Step 2: Convert to fraction form
    117,621.10/162,314.31 = 63,904.90/x
  3. Step 3: Cross multiply
    117,621.10x = 162,314.31 × 63,904.90
  4. Step 4: Simplify right side
    117,621.10x = 10,372,679,749.12
  5. Step 5: Solve for x
    x = 10,372,679,749.12/117,621.10
  6. Step 6: Final answer
    x = 88,187.24

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1.5x scale

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.