Home / 109,390.19-150,972.20-64,085.46

Finding the Fourth Proportional to 109,390.19, 150,972.20 and 64,085.46

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Solution

The fourth proportional to 109,390.19, 150,972.20 and 64,085.46 is: 88,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,390.19 : 150,972.20 = 64,085.46 : x
  2. Step 2: Convert to fraction form
    109,390.19/150,972.20 = 64,085.46/x
  3. Step 3: Cross multiply
    109,390.19x = 150,972.20 × 64,085.46
  4. Step 4: Simplify right side
    109,390.19x = 9,675,122,478.28
  5. Step 5: Solve for x
    x = 9,675,122,478.28/109,390.19
  6. Step 6: Final answer
    x = 88,445.98

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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.