Home / 145,120.03-217,595.97-56,269.51

Finding the Fourth Proportional to 145,120.03, 217,595.97 and 56,269.51

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Solution

The fourth proportional to 145,120.03, 217,595.97 and 56,269.51 is: 84,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,120.03 : 217,595.97 = 56,269.51 : x
  2. Step 2: Convert to fraction form
    145,120.03/217,595.97 = 56,269.51/x
  3. Step 3: Cross multiply
    145,120.03x = 217,595.97 × 56,269.51
  4. Step 4: Simplify right side
    145,120.03x = 12,244,018,065.88
  5. Step 5: Solve for x
    x = 12,244,018,065.88/145,120.03
  6. Step 6: Final answer
    x = 84,371.66

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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.