Home / 208,238.10-287,319.15-126,564.93

Finding the Fourth Proportional to 208,238.10, 287,319.15 and 126,564.93

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Solution

The fourth proportional to 208,238.10, 287,319.15 and 126,564.93 is: 174,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,238.10 : 287,319.15 = 126,564.93 : x
  2. Step 2: Convert to fraction form
    208,238.10/287,319.15 = 126,564.93/x
  3. Step 3: Cross multiply
    208,238.10x = 287,319.15 × 126,564.93
  4. Step 4: Simplify right side
    208,238.10x = 36,364,528,107.41
  5. Step 5: Solve for x
    x = 36,364,528,107.41/208,238.10
  6. Step 6: Final answer
    x = 174,629.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.