Home / 207,567.12-286,423.20-122,667.60

Finding the Fourth Proportional to 207,567.12, 286,423.20 and 122,667.60

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Solution

The fourth proportional to 207,567.12, 286,423.20 and 122,667.60 is: 169,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,567.12 : 286,423.20 = 122,667.60 : x
  2. Step 2: Convert to fraction form
    207,567.12/286,423.20 = 122,667.60/x
  3. Step 3: Cross multiply
    207,567.12x = 286,423.20 × 122,667.60
  4. Step 4: Simplify right side
    207,567.12x = 35,134,846,528.32
  5. Step 5: Solve for x
    x = 35,134,846,528.32/207,567.12
  6. Step 6: Final answer
    x = 169,269.81

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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.