Home / 112,137.66-154,748.75-61,150.23

Finding the Fourth Proportional to 112,137.66, 154,748.75 and 61,150.23

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Solution

The fourth proportional to 112,137.66, 154,748.75 and 61,150.23 is: 84,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,137.66 : 154,748.75 = 61,150.23 : x
  2. Step 2: Convert to fraction form
    112,137.66/154,748.75 = 61,150.23/x
  3. Step 3: Cross multiply
    112,137.66x = 154,748.75 × 61,150.23
  4. Step 4: Simplify right side
    112,137.66x = 9,462,921,348.96
  5. Step 5: Solve for x
    x = 9,462,921,348.96/112,137.66
  6. Step 6: Final answer
    x = 84,386.65

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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.