Home / 101,030.15-151,348.40-61,489.19

Finding the Fourth Proportional to 101,030.15, 151,348.40 and 61,489.19

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Solution

The fourth proportional to 101,030.15, 151,348.40 and 61,489.19 is: 92,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,030.15 : 151,348.40 = 61,489.19 : x
  2. Step 2: Convert to fraction form
    101,030.15/151,348.40 = 61,489.19/x
  3. Step 3: Cross multiply
    101,030.15x = 151,348.40 × 61,489.19
  4. Step 4: Simplify right side
    101,030.15x = 9,306,290,216.35
  5. Step 5: Solve for x
    x = 9,306,290,216.35/101,030.15
  6. Step 6: Final answer
    x = 92,113.99

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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.