Home / 203,484.26-280,822.67-112,848.90

Finding the Fourth Proportional to 203,484.26, 280,822.67 and 112,848.90

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Solution

The fourth proportional to 203,484.26, 280,822.67 and 112,848.90 is: 155,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,484.26 : 280,822.67 = 112,848.90 : x
  2. Step 2: Convert to fraction form
    203,484.26/280,822.67 = 112,848.90/x
  3. Step 3: Cross multiply
    203,484.26x = 280,822.67 × 112,848.90
  4. Step 4: Simplify right side
    203,484.26x = 31,690,528,840.32
  5. Step 5: Solve for x
    x = 31,690,528,840.32/203,484.26
  6. Step 6: Final answer
    x = 155,739.46

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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.