Home / 141,907.04-195,829.36-78,250.72

Finding the Fourth Proportional to 141,907.04, 195,829.36 and 78,250.72

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Solution

The fourth proportional to 141,907.04, 195,829.36 and 78,250.72 is: 107,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,907.04 : 195,829.36 = 78,250.72 : x
  2. Step 2: Convert to fraction form
    141,907.04/195,829.36 = 78,250.72/x
  3. Step 3: Cross multiply
    141,907.04x = 195,829.36 × 78,250.72
  4. Step 4: Simplify right side
    141,907.04x = 15,323,788,417.14
  5. Step 5: Solve for x
    x = 15,323,788,417.14/141,907.04
  6. Step 6: Final answer
    x = 107,984.69

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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.