Home / 140,426.16-193,792.32-76,767.36

Finding the Fourth Proportional to 140,426.16, 193,792.32 and 76,767.36

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Solution

The fourth proportional to 140,426.16, 193,792.32 and 76,767.36 is: 105,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,426.16 : 193,792.32 = 76,767.36 : x
  2. Step 2: Convert to fraction form
    140,426.16/193,792.32 = 76,767.36/x
  3. Step 3: Cross multiply
    140,426.16x = 193,792.32 × 76,767.36
  4. Step 4: Simplify right side
    140,426.16x = 14,876,924,794.68
  5. Step 5: Solve for x
    x = 14,876,924,794.68/140,426.16
  6. Step 6: Final answer
    x = 105,941.26

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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.