Home / 86,154.50-118,892.04-48,428.84

Finding the Fourth Proportional to 86,154.50, 118,892.04 and 48,428.84

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Solution

The fourth proportional to 86,154.50, 118,892.04 and 48,428.84 is: 66,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,154.50 : 118,892.04 = 48,428.84 : x
  2. Step 2: Convert to fraction form
    86,154.50/118,892.04 = 48,428.84/x
  3. Step 3: Cross multiply
    86,154.50x = 118,892.04 × 48,428.84
  4. Step 4: Simplify right side
    86,154.50x = 5,757,803,582.43
  5. Step 5: Solve for x
    x = 5,757,803,582.43/86,154.50
  6. Step 6: Final answer
    x = 66,831.14

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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.