Home / 203,496.02-280,841.34-112,881.26

Finding the Fourth Proportional to 203,496.02, 280,841.34 and 112,881.26

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Solution

The fourth proportional to 203,496.02, 280,841.34 and 112,881.26 is: 155,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,496.02 : 280,841.34 = 112,881.26 : x
  2. Step 2: Convert to fraction form
    203,496.02/280,841.34 = 112,881.26/x
  3. Step 3: Cross multiply
    203,496.02x = 280,841.34 × 112,881.26
  4. Step 4: Simplify right side
    203,496.02x = 31,701,724,319.29
  5. Step 5: Solve for x
    x = 31,701,724,319.29/203,496.02
  6. Step 6: Final answer
    x = 155,785.48

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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.