Home / 207,923.40-286,932.51-112,429.26

Finding the Fourth Proportional to 207,923.40, 286,932.51 and 112,429.26

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Solution

The fourth proportional to 207,923.40, 286,932.51 and 112,429.26 is: 155,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,923.40 : 286,932.51 = 112,429.26 : x
  2. Step 2: Convert to fraction form
    207,923.40/286,932.51 = 112,429.26/x
  3. Step 3: Cross multiply
    207,923.40x = 286,932.51 × 112,429.26
  4. Step 4: Simplify right side
    207,923.40x = 32,259,609,769.24
  5. Step 5: Solve for x
    x = 32,259,609,769.24/207,923.40
  6. Step 6: Final answer
    x = 155,151.42

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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.