Home / 207,918.20-286,927.32-112,424.87

Finding the Fourth Proportional to 207,918.20, 286,927.32 and 112,424.87

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Solution

The fourth proportional to 207,918.20, 286,927.32 and 112,424.87 is: 155,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918.20 : 286,927.32 = 112,424.87 : x
  2. Step 2: Convert to fraction form
    207,918.20/286,927.32 = 112,424.87/x
  3. Step 3: Cross multiply
    207,918.20x = 286,927.32 × 112,424.87
  4. Step 4: Simplify right side
    207,918.20x = 32,257,765,215.81
  5. Step 5: Solve for x
    x = 32,257,765,215.81/207,918.20
  6. Step 6: Final answer
    x = 155,146.43

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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.