Home / 207,922.14-286,931.70-112,428.81

Finding the Fourth Proportional to 207,922.14, 286,931.70 and 112,428.81

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Solution

The fourth proportional to 207,922.14, 286,931.70 and 112,428.81 is: 155,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,922.14 : 286,931.70 = 112,428.81 : x
  2. Step 2: Convert to fraction form
    207,922.14/286,931.70 = 112,428.81/x
  3. Step 3: Cross multiply
    207,922.14x = 286,931.70 × 112,428.81
  4. Step 4: Simplify right side
    207,922.14x = 32,259,389,582.28
  5. Step 5: Solve for x
    x = 32,259,389,582.28/207,922.14
  6. Step 6: Final answer
    x = 155,151.30

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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.