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Finding the Fourth Proportional to 117,746.62, 162,491.10 and 64,032.22

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Solution

The fourth proportional to 117,746.62, 162,491.10 and 64,032.22 is: 88,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,746.62 : 162,491.10 = 64,032.22 : x
  2. Step 2: Convert to fraction form
    117,746.62/162,491.10 = 64,032.22/x
  3. Step 3: Cross multiply
    117,746.62x = 162,491.10 × 64,032.22
  4. Step 4: Simplify right side
    117,746.62x = 10,404,665,863.24
  5. Step 5: Solve for x
    x = 10,404,665,863.24/117,746.62
  6. Step 6: Final answer
    x = 88,364.88

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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.