Home / 112,127.49-154,733.96-61,140.62

Finding the Fourth Proportional to 112,127.49, 154,733.96 and 61,140.62

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Solution

The fourth proportional to 112,127.49, 154,733.96 and 61,140.62 is: 84,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,127.49 : 154,733.96 = 61,140.62 : x
  2. Step 2: Convert to fraction form
    112,127.49/154,733.96 = 61,140.62/x
  3. Step 3: Cross multiply
    112,127.49x = 154,733.96 × 61,140.62
  4. Step 4: Simplify right side
    112,127.49x = 9,460,530,789.14
  5. Step 5: Solve for x
    x = 9,460,530,789.14/112,127.49
  6. Step 6: Final answer
    x = 84,372.98

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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.