Home / 109,868.35-151,621.52-62,120.67

Finding the Fourth Proportional to 109,868.35, 151,621.52 and 62,120.67

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Solution

The fourth proportional to 109,868.35, 151,621.52 and 62,120.67 is: 85,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,868.35 : 151,621.52 = 62,120.67 : x
  2. Step 2: Convert to fraction form
    109,868.35/151,621.52 = 62,120.67/x
  3. Step 3: Cross multiply
    109,868.35x = 151,621.52 × 62,120.67
  4. Step 4: Simplify right side
    109,868.35x = 9,418,830,731.93
  5. Step 5: Solve for x
    x = 9,418,830,731.93/109,868.35
  6. Step 6: Final answer
    x = 85,728.34

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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.