Home / 178,127.91-245,811.69-101,645.60

Finding the Fourth Proportional to 178,127.91, 245,811.69 and 101,645.60

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Solution

The fourth proportional to 178,127.91, 245,811.69 and 101,645.60 is: 140,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,127.91 : 245,811.69 = 101,645.60 : x
  2. Step 2: Convert to fraction form
    178,127.91/245,811.69 = 101,645.60/x
  3. Step 3: Cross multiply
    178,127.91x = 245,811.69 × 101,645.60
  4. Step 4: Simplify right side
    178,127.91x = 24,985,675,488.01
  5. Step 5: Solve for x
    x = 24,985,675,488.01/178,127.91
  6. Step 6: Final answer
    x = 140,268.17

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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.