Home / 101,212.48-151,818.90-31,091.32

Finding the Fourth Proportional to 101,212.48, 151,818.90 and 31,091.32

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Solution

The fourth proportional to 101,212.48, 151,818.90 and 31,091.32 is: 46,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,212.48 : 151,818.90 = 31,091.32 : x
  2. Step 2: Convert to fraction form
    101,212.48/151,818.90 = 31,091.32/x
  3. Step 3: Cross multiply
    101,212.48x = 151,818.90 × 31,091.32
  4. Step 4: Simplify right side
    101,212.48x = 4,720,250,001.95
  5. Step 5: Solve for x
    x = 4,720,250,001.95/101,212.48
  6. Step 6: Final answer
    x = 46,637.04

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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.