Home / 143,551.51-215,327.34-64,573.47

Finding the Fourth Proportional to 143,551.51, 215,327.34 and 64,573.47

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Solution

The fourth proportional to 143,551.51, 215,327.34 and 64,573.47 is: 96,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,551.51 : 215,327.34 = 64,573.47 : x
  2. Step 2: Convert to fraction form
    143,551.51/215,327.34 = 64,573.47/x
  3. Step 3: Cross multiply
    143,551.51x = 215,327.34 × 64,573.47
  4. Step 4: Simplify right side
    143,551.51x = 13,904,433,529.67
  5. Step 5: Solve for x
    x = 13,904,433,529.67/143,551.51
  6. Step 6: Final answer
    x = 96,860.24

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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.