Home / 109,645.02-151,309.26-61,907.76

Finding the Fourth Proportional to 109,645.02, 151,309.26 and 61,907.76

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Solution

The fourth proportional to 109,645.02, 151,309.26 and 61,907.76 is: 85,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,645.02 : 151,309.26 = 61,907.76 : x
  2. Step 2: Convert to fraction form
    109,645.02/151,309.26 = 61,907.76/x
  3. Step 3: Cross multiply
    109,645.02x = 151,309.26 × 61,907.76
  4. Step 4: Simplify right side
    109,645.02x = 9,367,217,353.86
  5. Step 5: Solve for x
    x = 9,367,217,353.86/109,645.02
  6. Step 6: Final answer
    x = 85,432.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.