Home / 143,875.24-215,854.98-73,803.40

Finding the Fourth Proportional to 143,875.24, 215,854.98 and 73,803.40

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Solution

The fourth proportional to 143,875.24, 215,854.98 and 73,803.40 is: 110,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,875.24 : 215,854.98 = 73,803.40 : x
  2. Step 2: Convert to fraction form
    143,875.24/215,854.98 = 73,803.40/x
  3. Step 3: Cross multiply
    143,875.24x = 215,854.98 × 73,803.40
  4. Step 4: Simplify right side
    143,875.24x = 15,930,831,430.93
  5. Step 5: Solve for x
    x = 15,930,831,430.93/143,875.24
  6. Step 6: Final answer
    x = 110,726.71

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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.