Home / 79,717.15-119,354.29-40,154.32

Finding the Fourth Proportional to 79,717.15, 119,354.29 and 40,154.32

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Solution

The fourth proportional to 79,717.15, 119,354.29 and 40,154.32 is: 60,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.15 : 119,354.29 = 40,154.32 : x
  2. Step 2: Convert to fraction form
    79,717.15/119,354.29 = 40,154.32/x
  3. Step 3: Cross multiply
    79,717.15x = 119,354.29 × 40,154.32
  4. Step 4: Simplify right side
    79,717.15x = 4,792,590,354.03
  5. Step 5: Solve for x
    x = 4,792,590,354.03/79,717.15
  6. Step 6: Final answer
    x = 60,119.94

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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.