Home / 202,921.65-280,040.13-112,276.14

Finding the Fourth Proportional to 202,921.65, 280,040.13 and 112,276.14

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Solution

The fourth proportional to 202,921.65, 280,040.13 and 112,276.14 is: 154,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,921.65 : 280,040.13 = 112,276.14 : x
  2. Step 2: Convert to fraction form
    202,921.65/280,040.13 = 112,276.14/x
  3. Step 3: Cross multiply
    202,921.65x = 280,040.13 × 112,276.14
  4. Step 4: Simplify right side
    202,921.65x = 31,441,824,841.50
  5. Step 5: Solve for x
    x = 31,441,824,841.50/202,921.65
  6. Step 6: Final answer
    x = 154,945.64

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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.