Home / 161,315.60-241,973.40-91,331.60

Finding the Fourth Proportional to 161,315.60, 241,973.40 and 91,331.60

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Solution

The fourth proportional to 161,315.60, 241,973.40 and 91,331.60 is: 136,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,315.60 : 241,973.40 = 91,331.60 : x
  2. Step 2: Convert to fraction form
    161,315.60/241,973.40 = 91,331.60/x
  3. Step 3: Cross multiply
    161,315.60x = 241,973.40 × 91,331.60
  4. Step 4: Simplify right side
    161,315.60x = 22,099,817,779.44
  5. Step 5: Solve for x
    x = 22,099,817,779.44/161,315.60
  6. Step 6: Final answer
    x = 136,997.40

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1.5x scale

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.