Home / 210,300.64-290,211.02-119,654.62

Finding the Fourth Proportional to 210,300.64, 290,211.02 and 119,654.62

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Solution

The fourth proportional to 210,300.64, 290,211.02 and 119,654.62 is: 165,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,300.64 : 290,211.02 = 119,654.62 : x
  2. Step 2: Convert to fraction form
    210,300.64/290,211.02 = 119,654.62/x
  3. Step 3: Cross multiply
    210,300.64x = 290,211.02 × 119,654.62
  4. Step 4: Simplify right side
    210,300.64x = 34,725,089,317.91
  5. Step 5: Solve for x
    x = 34,725,089,317.91/210,300.64
  6. Step 6: Final answer
    x = 165,121.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.