Home / 124,792.32-172,225.26-68,212.20

Finding the Fourth Proportional to 124,792.32, 172,225.26 and 68,212.20

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Solution

The fourth proportional to 124,792.32, 172,225.26 and 68,212.20 is: 94,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,792.32 : 172,225.26 = 68,212.20 : x
  2. Step 2: Convert to fraction form
    124,792.32/172,225.26 = 68,212.20/x
  3. Step 3: Cross multiply
    124,792.32x = 172,225.26 × 68,212.20
  4. Step 4: Simplify right side
    124,792.32x = 11,747,863,880.17
  5. Step 5: Solve for x
    x = 11,747,863,880.17/124,792.32
  6. Step 6: Final answer
    x = 94,139.32

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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.