Home / 124,639.28-172,002.90-68,051.24

Finding the Fourth Proportional to 124,639.28, 172,002.90 and 68,051.24

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Solution

The fourth proportional to 124,639.28, 172,002.90 and 68,051.24 is: 93,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,639.28 : 172,002.90 = 68,051.24 : x
  2. Step 2: Convert to fraction form
    124,639.28/172,002.90 = 68,051.24/x
  3. Step 3: Cross multiply
    124,639.28x = 172,002.90 × 68,051.24
  4. Step 4: Simplify right side
    124,639.28x = 11,705,010,628.60
  5. Step 5: Solve for x
    x = 11,705,010,628.60/124,639.28
  6. Step 6: Final answer
    x = 93,911.09

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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.