Home / 210,204.75-290,092.01-118,355.66

Finding the Fourth Proportional to 210,204.75, 290,092.01 and 118,355.66

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Solution

The fourth proportional to 210,204.75, 290,092.01 and 118,355.66 is: 163,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,204.75 : 290,092.01 = 118,355.66 : x
  2. Step 2: Convert to fraction form
    210,204.75/290,092.01 = 118,355.66/x
  3. Step 3: Cross multiply
    210,204.75x = 290,092.01 × 118,355.66
  4. Step 4: Simplify right side
    210,204.75x = 34,334,029,262.04
  5. Step 5: Solve for x
    x = 34,334,029,262.04/210,204.75
  6. Step 6: Final answer
    x = 163,336.12

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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.