Home / 100,870.15-151,261.47-34,292.41

Finding the Fourth Proportional to 100,870.15, 151,261.47 and 34,292.41

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Solution

The fourth proportional to 100,870.15, 151,261.47 and 34,292.41 is: 51,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,870.15 : 151,261.47 = 34,292.41 : x
  2. Step 2: Convert to fraction form
    100,870.15/151,261.47 = 34,292.41/x
  3. Step 3: Cross multiply
    100,870.15x = 151,261.47 × 34,292.41
  4. Step 4: Simplify right side
    100,870.15x = 5,187,120,346.44
  5. Step 5: Solve for x
    x = 5,187,120,346.44/100,870.15
  6. Step 6: Final answer
    x = 51,423.74

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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.