Home / 208,853.90-288,218.94-113,360.60

Finding the Fourth Proportional to 208,853.90, 288,218.94 and 113,360.60

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Solution

The fourth proportional to 208,853.90, 288,218.94 and 113,360.60 is: 156,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853.90 : 288,218.94 = 113,360.60 : x
  2. Step 2: Convert to fraction form
    208,853.90/288,218.94 = 113,360.60/x
  3. Step 3: Cross multiply
    208,853.90x = 288,218.94 × 113,360.60
  4. Step 4: Simplify right side
    208,853.90x = 32,672,671,969.76
  5. Step 5: Solve for x
    x = 32,672,671,969.76/208,853.90
  6. Step 6: Final answer
    x = 156,437.93

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1.5x scale

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.