Home / 112,147.68-154,763.35-61,160.29

Finding the Fourth Proportional to 112,147.68, 154,763.35 and 61,160.29

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Solution

The fourth proportional to 112,147.68, 154,763.35 and 61,160.29 is: 84,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,147.68 : 154,763.35 = 61,160.29 : x
  2. Step 2: Convert to fraction form
    112,147.68/154,763.35 = 61,160.29/x
  3. Step 3: Cross multiply
    112,147.68x = 154,763.35 × 61,160.29
  4. Step 4: Simplify right side
    112,147.68x = 9,465,371,367.37
  5. Step 5: Solve for x
    x = 9,465,371,367.37/112,147.68
  6. Step 6: Final answer
    x = 84,400.96

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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.