Home / 202,931.95-280,046.42-112,291.74

Finding the Fourth Proportional to 202,931.95, 280,046.42 and 112,291.74

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Solution

The fourth proportional to 202,931.95, 280,046.42 and 112,291.74 is: 154,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,931.95 : 280,046.42 = 112,291.74 : x
  2. Step 2: Convert to fraction form
    202,931.95/280,046.42 = 112,291.74/x
  3. Step 3: Cross multiply
    202,931.95x = 280,046.42 × 112,291.74
  4. Step 4: Simplify right side
    202,931.95x = 31,446,899,782.57
  5. Step 5: Solve for x
    x = 31,446,899,782.57/202,931.95
  6. Step 6: Final answer
    x = 154,962.78

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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.