Home / 124,636.96-186,955.92-31,142.80

Finding the Fourth Proportional to 124,636.96, 186,955.92 and 31,142.80

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Solution

The fourth proportional to 124,636.96, 186,955.92 and 31,142.80 is: 46,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,636.96 : 186,955.92 = 31,142.80 : x
  2. Step 2: Convert to fraction form
    124,636.96/186,955.92 = 31,142.80/x
  3. Step 3: Cross multiply
    124,636.96x = 186,955.92 × 31,142.80
  4. Step 4: Simplify right side
    124,636.96x = 5,822,330,825.38
  5. Step 5: Solve for x
    x = 5,822,330,825.38/124,636.96
  6. Step 6: Final answer
    x = 46,714.32

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1.5x scale

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.