Home / 112,166.90-154,792.16-61,179.62

Finding the Fourth Proportional to 112,166.90, 154,792.16 and 61,179.62

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Solution

The fourth proportional to 112,166.90, 154,792.16 and 61,179.62 is: 84,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,166.90 : 154,792.16 = 61,179.62 : x
  2. Step 2: Convert to fraction form
    112,166.90/154,792.16 = 61,179.62/x
  3. Step 3: Cross multiply
    112,166.90x = 154,792.16 × 61,179.62
  4. Step 4: Simplify right side
    112,166.90x = 9,470,125,608.86
  5. Step 5: Solve for x
    x = 9,470,125,608.86/112,166.90
  6. Step 6: Final answer
    x = 84,428.88

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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.