Home / 141,315.08-211,511.10-103,865.24

Finding the Fourth Proportional to 141,315.08, 211,511.10 and 103,865.24

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Solution

The fourth proportional to 141,315.08, 211,511.10 and 103,865.24 is: 155,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,315.08 : 211,511.10 = 103,865.24 : x
  2. Step 2: Convert to fraction form
    141,315.08/211,511.10 = 103,865.24/x
  3. Step 3: Cross multiply
    141,315.08x = 211,511.10 × 103,865.24
  4. Step 4: Simplify right side
    141,315.08x = 21,968,651,164.16
  5. Step 5: Solve for x
    x = 21,968,651,164.16/141,315.08
  6. Step 6: Final answer
    x = 155,458.65

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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.