Home / 142,847.12-214,310.80-52,888.48

Finding the Fourth Proportional to 142,847.12, 214,310.80 and 52,888.48

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Solution

The fourth proportional to 142,847.12, 214,310.80 and 52,888.48 is: 79,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,847.12 : 214,310.80 = 52,888.48 : x
  2. Step 2: Convert to fraction form
    142,847.12/214,310.80 = 52,888.48/x
  3. Step 3: Cross multiply
    142,847.12x = 214,310.80 × 52,888.48
  4. Step 4: Simplify right side
    142,847.12x = 11,334,572,459.58
  5. Step 5: Solve for x
    x = 11,334,572,459.58/142,847.12
  6. Step 6: Final answer
    x = 79,347.57

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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.