Home / 143,347.13-215,028.89-43,510.58

Finding the Fourth Proportional to 143,347.13, 215,028.89 and 43,510.58

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Solution

The fourth proportional to 143,347.13, 215,028.89 and 43,510.58 is: 65,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,347.13 : 215,028.89 = 43,510.58 : x
  2. Step 2: Convert to fraction form
    143,347.13/215,028.89 = 43,510.58/x
  3. Step 3: Cross multiply
    143,347.13x = 215,028.89 × 43,510.58
  4. Step 4: Simplify right side
    143,347.13x = 9,356,030,427.96
  5. Step 5: Solve for x
    x = 9,356,030,427.96/143,347.13
  6. Step 6: Final answer
    x = 65,268.35

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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.