Home / 143,138.61-214,707.95-37,965.81

Finding the Fourth Proportional to 143,138.61, 214,707.95 and 37,965.81

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Solution

The fourth proportional to 143,138.61, 214,707.95 and 37,965.81 is: 56,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,138.61 : 214,707.95 = 37,965.81 : x
  2. Step 2: Convert to fraction form
    143,138.61/214,707.95 = 37,965.81/x
  3. Step 3: Cross multiply
    143,138.61x = 214,707.95 × 37,965.81
  4. Step 4: Simplify right side
    143,138.61x = 8,151,561,045.36
  5. Step 5: Solve for x
    x = 8,151,561,045.36/143,138.61
  6. Step 6: Final answer
    x = 56,948.72

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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.