Home / 203,490.16-280,759.52-118,590.82

Finding the Fourth Proportional to 203,490.16, 280,759.52 and 118,590.82

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Solution

The fourth proportional to 203,490.16, 280,759.52 and 118,590.82 is: 163,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,490.16 : 280,759.52 = 118,590.82 : x
  2. Step 2: Convert to fraction form
    203,490.16/280,759.52 = 118,590.82/x
  3. Step 3: Cross multiply
    203,490.16x = 280,759.52 × 118,590.82
  4. Step 4: Simplify right side
    203,490.16x = 33,295,501,699.61
  5. Step 5: Solve for x
    x = 33,295,501,699.61/203,490.16
  6. Step 6: Final answer
    x = 163,622.17

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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.