Home / 143,347.97-215,032.10-43,516.28

Finding the Fourth Proportional to 143,347.97, 215,032.10 and 43,516.28

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Solution

The fourth proportional to 143,347.97, 215,032.10 and 43,516.28 is: 65,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,347.97 : 215,032.10 = 43,516.28 : x
  2. Step 2: Convert to fraction form
    143,347.97/215,032.10 = 43,516.28/x
  3. Step 3: Cross multiply
    143,347.97x = 215,032.10 × 43,516.28
  4. Step 4: Simplify right side
    143,347.97x = 9,357,395,779.85
  5. Step 5: Solve for x
    x = 9,357,395,779.85/143,347.97
  6. Step 6: Final answer
    x = 65,277.49

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1.5x scale

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.