Home / 140,918.35-211,139.79-69,746.08

Finding the Fourth Proportional to 140,918.35, 211,139.79 and 69,746.08

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Solution

The fourth proportional to 140,918.35, 211,139.79 and 69,746.08 is: 104,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918.35 : 211,139.79 = 69,746.08 : x
  2. Step 2: Convert to fraction form
    140,918.35/211,139.79 = 69,746.08/x
  3. Step 3: Cross multiply
    140,918.35x = 211,139.79 × 69,746.08
  4. Step 4: Simplify right side
    140,918.35x = 14,726,172,684.52
  5. Step 5: Solve for x
    x = 14,726,172,684.52/140,918.35
  6. Step 6: Final answer
    x = 104,501.46

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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.