Home / 563,381.19-845,102.57-142,660.71

Finding the Fourth Proportional to 563,381.19, 845,102.57 and 142,660.71

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Solution

The fourth proportional to 563,381.19, 845,102.57 and 142,660.71 is: 213,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,381.19 : 845,102.57 = 142,660.71 : x
  2. Step 2: Convert to fraction form
    563,381.19/845,102.57 = 142,660.71/x
  3. Step 3: Cross multiply
    563,381.19x = 845,102.57 × 142,660.71
  4. Step 4: Simplify right side
    563,381.19x = 120,562,931,945.72
  5. Step 5: Solve for x
    x = 120,562,931,945.72/563,381.19
  6. Step 6: Final answer
    x = 213,998.86

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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.