Home / 208,840.10-313,209.81-96,412.30

Finding the Fourth Proportional to 208,840.10, 313,209.81 and 96,412.30

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Solution

The fourth proportional to 208,840.10, 313,209.81 and 96,412.30 is: 144,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,840.10 : 313,209.81 = 96,412.30 : x
  2. Step 2: Convert to fraction form
    208,840.10/313,209.81 = 96,412.30/x
  3. Step 3: Cross multiply
    208,840.10x = 313,209.81 × 96,412.30
  4. Step 4: Simplify right side
    208,840.10x = 30,197,277,381.64
  5. Step 5: Solve for x
    x = 30,197,277,381.64/208,840.10
  6. Step 6: Final answer
    x = 144,595.21

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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.