Home / 144,298.31-199,128.74-79,770.26

Finding the Fourth Proportional to 144,298.31, 199,128.74 and 79,770.26

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Solution

The fourth proportional to 144,298.31, 199,128.74 and 79,770.26 is: 110,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,298.31 : 199,128.74 = 79,770.26 : x
  2. Step 2: Convert to fraction form
    144,298.31/199,128.74 = 79,770.26/x
  3. Step 3: Cross multiply
    144,298.31x = 199,128.74 × 79,770.26
  4. Step 4: Simplify right side
    144,298.31x = 15,884,551,462.24
  5. Step 5: Solve for x
    x = 15,884,551,462.24/144,298.31
  6. Step 6: Final answer
    x = 110,081.34

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1.5x scale

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.