Home / 210,211.48-290,084.52-119,560.60

Finding the Fourth Proportional to 210,211.48, 290,084.52 and 119,560.60

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Solution

The fourth proportional to 210,211.48, 290,084.52 and 119,560.60 is: 164,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,211.48 : 290,084.52 = 119,560.60 : x
  2. Step 2: Convert to fraction form
    210,211.48/290,084.52 = 119,560.60/x
  3. Step 3: Cross multiply
    210,211.48x = 290,084.52 × 119,560.60
  4. Step 4: Simplify right side
    210,211.48x = 34,682,679,261.91
  5. Step 5: Solve for x
    x = 34,682,679,261.91/210,211.48
  6. Step 6: Final answer
    x = 164,989.46

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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.