Home / 207,923.14-286,933.08-112,429.81

Finding the Fourth Proportional to 207,923.14, 286,933.08 and 112,429.81

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Solution

The fourth proportional to 207,923.14, 286,933.08 and 112,429.81 is: 155,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,923.14 : 286,933.08 = 112,429.81 : x
  2. Step 2: Convert to fraction form
    207,923.14/286,933.08 = 112,429.81/x
  3. Step 3: Cross multiply
    207,923.14x = 286,933.08 × 112,429.81
  4. Step 4: Simplify right side
    207,923.14x = 32,259,831,667.11
  5. Step 5: Solve for x
    x = 32,259,831,667.11/207,923.14
  6. Step 6: Final answer
    x = 155,152.68

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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.