Home / 208,858.36-288,224.76-113,365.03

Finding the Fourth Proportional to 208,858.36, 288,224.76 and 113,365.03

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Solution

The fourth proportional to 208,858.36, 288,224.76 and 113,365.03 is: 156,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,858.36 : 288,224.76 = 113,365.03 : x
  2. Step 2: Convert to fraction form
    208,858.36/288,224.76 = 113,365.03/x
  3. Step 3: Cross multiply
    208,858.36x = 288,224.76 × 113,365.03
  4. Step 4: Simplify right side
    208,858.36x = 32,674,607,123.02
  5. Step 5: Solve for x
    x = 32,674,607,123.02/208,858.36
  6. Step 6: Final answer
    x = 156,443.86

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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.