Home / 112,315.80-154,993.50-61,330.08

Finding the Fourth Proportional to 112,315.80, 154,993.50 and 61,330.08

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Solution

The fourth proportional to 112,315.80, 154,993.50 and 61,330.08 is: 84,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,315.80 : 154,993.50 = 61,330.08 : x
  2. Step 2: Convert to fraction form
    112,315.80/154,993.50 = 61,330.08/x
  3. Step 3: Cross multiply
    112,315.80x = 154,993.50 × 61,330.08
  4. Step 4: Simplify right side
    112,315.80x = 9,505,763,754.48
  5. Step 5: Solve for x
    x = 9,505,763,754.48/112,315.80
  6. Step 6: Final answer
    x = 84,634.25

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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.