Home / 208,385.21-312,577.80-96,032.18

Finding the Fourth Proportional to 208,385.21, 312,577.80 and 96,032.18

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Solution

The fourth proportional to 208,385.21, 312,577.80 and 96,032.18 is: 144,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,385.21 : 312,577.80 = 96,032.18 : x
  2. Step 2: Convert to fraction form
    208,385.21/312,577.80 = 96,032.18/x
  3. Step 3: Cross multiply
    208,385.21x = 312,577.80 × 96,032.18
  4. Step 4: Simplify right side
    208,385.21x = 30,017,528,515.11
  5. Step 5: Solve for x
    x = 30,017,528,515.11/208,385.21
  6. Step 6: Final answer
    x = 144,048.27

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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.