Home / 208,239.10-287,320.53-126,565.93

Finding the Fourth Proportional to 208,239.10, 287,320.53 and 126,565.93

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Solution

The fourth proportional to 208,239.10, 287,320.53 and 126,565.93 is: 174,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,239.10 : 287,320.53 = 126,565.93 : x
  2. Step 2: Convert to fraction form
    208,239.10/287,320.53 = 126,565.93/x
  3. Step 3: Cross multiply
    208,239.10x = 287,320.53 × 126,565.93
  4. Step 4: Simplify right side
    208,239.10x = 36,364,990,087.54
  5. Step 5: Solve for x
    x = 36,364,990,087.54/208,239.10
  6. Step 6: Final answer
    x = 174,630.94

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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.