Home / 126,985.60-190,505.04-48,098.08

Finding the Fourth Proportional to 126,985.60, 190,505.04 and 48,098.08

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Solution

The fourth proportional to 126,985.60, 190,505.04 and 48,098.08 is: 72,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,985.60 : 190,505.04 = 48,098.08 : x
  2. Step 2: Convert to fraction form
    126,985.60/190,505.04 = 48,098.08/x
  3. Step 3: Cross multiply
    126,985.60x = 190,505.04 × 48,098.08
  4. Step 4: Simplify right side
    126,985.60x = 9,162,926,654.32
  5. Step 5: Solve for x
    x = 9,162,926,654.32/126,985.60
  6. Step 6: Final answer
    x = 72,157.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.