Home / 207,839.08-286,817.80-112,345.77

Finding the Fourth Proportional to 207,839.08, 286,817.80 and 112,345.77

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Solution

The fourth proportional to 207,839.08, 286,817.80 and 112,345.77 is: 155,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,839.08 : 286,817.80 = 112,345.77 : x
  2. Step 2: Convert to fraction form
    207,839.08/286,817.80 = 112,345.77/x
  3. Step 3: Cross multiply
    207,839.08x = 286,817.80 × 112,345.77
  4. Step 4: Simplify right side
    207,839.08x = 32,222,768,248.57
  5. Step 5: Solve for x
    x = 32,222,768,248.57/207,839.08
  6. Step 6: Final answer
    x = 155,037.10

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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.