Home / 140,007.24-209,926.40-55,780.38

Finding the Fourth Proportional to 140,007.24, 209,926.40 and 55,780.38

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Solution

The fourth proportional to 140,007.24, 209,926.40 and 55,780.38 is: 83,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,007.24 : 209,926.40 = 55,780.38 : x
  2. Step 2: Convert to fraction form
    140,007.24/209,926.40 = 55,780.38/x
  3. Step 3: Cross multiply
    140,007.24x = 209,926.40 × 55,780.38
  4. Step 4: Simplify right side
    140,007.24x = 11,709,774,085.13
  5. Step 5: Solve for x
    x = 11,709,774,085.13/140,007.24
  6. Step 6: Final answer
    x = 83,636.92

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1.5x scale

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.