Home / 100,928.12-151,415.63-34,368.83

Finding the Fourth Proportional to 100,928.12, 151,415.63 and 34,368.83

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Solution

The fourth proportional to 100,928.12, 151,415.63 and 34,368.83 is: 51,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,928.12 : 151,415.63 = 34,368.83 : x
  2. Step 2: Convert to fraction form
    100,928.12/151,415.63 = 34,368.83/x
  3. Step 3: Cross multiply
    100,928.12x = 151,415.63 × 34,368.83
  4. Step 4: Simplify right side
    100,928.12x = 5,203,977,246.77
  5. Step 5: Solve for x
    x = 5,203,977,246.77/100,928.12
  6. Step 6: Final answer
    x = 51,561.22

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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.