Home / 137,328.48-205,984.08-53,053.92

Finding the Fourth Proportional to 137,328.48, 205,984.08 and 53,053.92

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Solution

The fourth proportional to 137,328.48, 205,984.08 and 53,053.92 is: 79,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,328.48 : 205,984.08 = 53,053.92 : x
  2. Step 2: Convert to fraction form
    137,328.48/205,984.08 = 53,053.92/x
  3. Step 3: Cross multiply
    137,328.48x = 205,984.08 × 53,053.92
  4. Step 4: Simplify right side
    137,328.48x = 10,928,262,901.59
  5. Step 5: Solve for x
    x = 10,928,262,901.59/137,328.48
  6. Step 6: Final answer
    x = 79,577.54

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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.