Home / 203,357.18-304,832.75-70,152.47

Finding the Fourth Proportional to 203,357.18, 304,832.75 and 70,152.47

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Solution

The fourth proportional to 203,357.18, 304,832.75 and 70,152.47 is: 105,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,357.18 : 304,832.75 = 70,152.47 : x
  2. Step 2: Convert to fraction form
    203,357.18/304,832.75 = 70,152.47/x
  3. Step 3: Cross multiply
    203,357.18x = 304,832.75 × 70,152.47
  4. Step 4: Simplify right side
    203,357.18x = 21,384,768,474.47
  5. Step 5: Solve for x
    x = 21,384,768,474.47/203,357.18
  6. Step 6: Final answer
    x = 105,158.66

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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.