Home / 220,053.02-303,680.40-124,557.67

Finding the Fourth Proportional to 220,053.02, 303,680.40 and 124,557.67

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Solution

The fourth proportional to 220,053.02, 303,680.40 and 124,557.67 is: 171,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,053.02 : 303,680.40 = 124,557.67 : x
  2. Step 2: Convert to fraction form
    220,053.02/303,680.40 = 124,557.67/x
  3. Step 3: Cross multiply
    220,053.02x = 303,680.40 × 124,557.67
  4. Step 4: Simplify right side
    220,053.02x = 37,825,721,530.27
  5. Step 5: Solve for x
    x = 37,825,721,530.27/220,053.02
  6. Step 6: Final answer
    x = 171,893.67

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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.