Home / 140,006.74-209,925.64-55,779.90

Finding the Fourth Proportional to 140,006.74, 209,925.64 and 55,779.90

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Solution

The fourth proportional to 140,006.74, 209,925.64 and 55,779.90 is: 83,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006.74 : 209,925.64 = 55,779.90 : x
  2. Step 2: Convert to fraction form
    140,006.74/209,925.64 = 55,779.90/x
  3. Step 3: Cross multiply
    140,006.74x = 209,925.64 × 55,779.90
  4. Step 4: Simplify right side
    140,006.74x = 11,709,631,206.64
  5. Step 5: Solve for x
    x = 11,709,631,206.64/140,006.74
  6. Step 6: Final answer
    x = 83,636.20

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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.