Home / 143,368.36-215,008.80-38,173.66

Finding the Fourth Proportional to 143,368.36, 215,008.80 and 38,173.66

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Solution

The fourth proportional to 143,368.36, 215,008.80 and 38,173.66 is: 57,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,368.36 : 215,008.80 = 38,173.66 : x
  2. Step 2: Convert to fraction form
    143,368.36/215,008.80 = 38,173.66/x
  3. Step 3: Cross multiply
    143,368.36x = 215,008.80 × 38,173.66
  4. Step 4: Simplify right side
    143,368.36x = 8,207,672,828.21
  5. Step 5: Solve for x
    x = 8,207,672,828.21/143,368.36
  6. Step 6: Final answer
    x = 57,248.84

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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.