Home / 210,204.91-290,092.23-118,355.83

Finding the Fourth Proportional to 210,204.91, 290,092.23 and 118,355.83

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Solution

The fourth proportional to 210,204.91, 290,092.23 and 118,355.83 is: 163,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,204.91 : 290,092.23 = 118,355.83 : x
  2. Step 2: Convert to fraction form
    210,204.91/290,092.23 = 118,355.83/x
  3. Step 3: Cross multiply
    210,204.91x = 290,092.23 × 118,355.83
  4. Step 4: Simplify right side
    210,204.91x = 34,334,105,207.74
  5. Step 5: Solve for x
    x = 34,334,105,207.74/210,204.91
  6. Step 6: Final answer
    x = 163,336.37

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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.