Home / 101,421.27-151,945.34-51,537.15

Finding the Fourth Proportional to 101,421.27, 151,945.34 and 51,537.15

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Solution

The fourth proportional to 101,421.27, 151,945.34 and 51,537.15 is: 77,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,421.27 : 151,945.34 = 51,537.15 : x
  2. Step 2: Convert to fraction form
    101,421.27/151,945.34 = 51,537.15/x
  3. Step 3: Cross multiply
    101,421.27x = 151,945.34 × 51,537.15
  4. Step 4: Simplify right side
    101,421.27x = 7,830,829,521.70
  5. Step 5: Solve for x
    x = 7,830,829,521.70/101,421.27
  6. Step 6: Final answer
    x = 77,210.92

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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.