Home / 145,205.19-217,821.24-56,465.37

Finding the Fourth Proportional to 145,205.19, 217,821.24 and 56,465.37

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Solution

The fourth proportional to 145,205.19, 217,821.24 and 56,465.37 is: 84,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,205.19 : 217,821.24 = 56,465.37 : x
  2. Step 2: Convert to fraction form
    145,205.19/217,821.24 = 56,465.37/x
  3. Step 3: Cross multiply
    145,205.19x = 217,821.24 × 56,465.37
  4. Step 4: Simplify right side
    145,205.19x = 12,299,356,910.46
  5. Step 5: Solve for x
    x = 12,299,356,910.46/145,205.19
  6. Step 6: Final answer
    x = 84,703.29

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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.