Home / 170,179.32-254,880.18-81,495.12

Finding the Fourth Proportional to 170,179.32, 254,880.18 and 81,495.12

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Solution

The fourth proportional to 170,179.32, 254,880.18 and 81,495.12 is: 122,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,179.32 : 254,880.18 = 81,495.12 : x
  2. Step 2: Convert to fraction form
    170,179.32/254,880.18 = 81,495.12/x
  3. Step 3: Cross multiply
    170,179.32x = 254,880.18 × 81,495.12
  4. Step 4: Simplify right side
    170,179.32x = 20,771,490,854.72
  5. Step 5: Solve for x
    x = 20,771,490,854.72/170,179.32
  6. Step 6: Final answer
    x = 122,056.49

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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.