Home / 112,267.62-154,930.80-66,328.80

Finding the Fourth Proportional to 112,267.62, 154,930.80 and 66,328.80

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Solution

The fourth proportional to 112,267.62, 154,930.80 and 66,328.80 is: 91,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267.62 : 154,930.80 = 66,328.80 : x
  2. Step 2: Convert to fraction form
    112,267.62/154,930.80 = 66,328.80/x
  3. Step 3: Cross multiply
    112,267.62x = 154,930.80 × 66,328.80
  4. Step 4: Simplify right side
    112,267.62x = 10,276,374,047.04
  5. Step 5: Solve for x
    x = 10,276,374,047.04/112,267.62
  6. Step 6: Final answer
    x = 91,534.62

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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.