Home / 112,979.60-169,636.80-63,159.20

Finding the Fourth Proportional to 112,979.60, 169,636.80 and 63,159.20

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Solution

The fourth proportional to 112,979.60, 169,636.80 and 63,159.20 is: 94,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,979.60 : 169,636.80 = 63,159.20 : x
  2. Step 2: Convert to fraction form
    112,979.60/169,636.80 = 63,159.20/x
  3. Step 3: Cross multiply
    112,979.60x = 169,636.80 × 63,159.20
  4. Step 4: Simplify right side
    112,979.60x = 10,714,124,578.56
  5. Step 5: Solve for x
    x = 10,714,124,578.56/112,979.60
  6. Step 6: Final answer
    x = 94,832.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.