Home / 117,600.64-162,287.16-63,886.36

Finding the Fourth Proportional to 117,600.64, 162,287.16 and 63,886.36

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Solution

The fourth proportional to 117,600.64, 162,287.16 and 63,886.36 is: 88,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,600.64 : 162,287.16 = 63,886.36 : x
  2. Step 2: Convert to fraction form
    117,600.64/162,287.16 = 63,886.36/x
  3. Step 3: Cross multiply
    117,600.64x = 162,287.16 × 63,886.36
  4. Step 4: Simplify right side
    117,600.64x = 10,367,935,927.14
  5. Step 5: Solve for x
    x = 10,367,935,927.14/117,600.64
  6. Step 6: Final answer
    x = 88,162.24

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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.