Home / 112,995.18-169,492.60-46,388.39

Finding the Fourth Proportional to 112,995.18, 169,492.60 and 46,388.39

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Solution

The fourth proportional to 112,995.18, 169,492.60 and 46,388.39 is: 69,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,995.18 : 169,492.60 = 46,388.39 : x
  2. Step 2: Convert to fraction form
    112,995.18/169,492.60 = 46,388.39/x
  3. Step 3: Cross multiply
    112,995.18x = 169,492.60 × 46,388.39
  4. Step 4: Simplify right side
    112,995.18x = 7,862,487,867.48
  5. Step 5: Solve for x
    x = 7,862,487,867.48/112,995.18
  6. Step 6: Final answer
    x = 69,582.51

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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.