Home / 101,239.18-151,858.77-30,162.90

Finding the Fourth Proportional to 101,239.18, 151,858.77 and 30,162.90

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Solution

The fourth proportional to 101,239.18, 151,858.77 and 30,162.90 is: 45,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,239.18 : 151,858.77 = 30,162.90 : x
  2. Step 2: Convert to fraction form
    101,239.18/151,858.77 = 30,162.90/x
  3. Step 3: Cross multiply
    101,239.18x = 151,858.77 × 30,162.90
  4. Step 4: Simplify right side
    101,239.18x = 4,580,500,893.63
  5. Step 5: Solve for x
    x = 4,580,500,893.63/101,239.18
  6. Step 6: Final answer
    x = 45,244.35

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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.