Home / 208,735.48-288,055.06-113,242.15

Finding the Fourth Proportional to 208,735.48, 288,055.06 and 113,242.15

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Solution

The fourth proportional to 208,735.48, 288,055.06 and 113,242.15 is: 156,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,735.48 : 288,055.06 = 113,242.15 : x
  2. Step 2: Convert to fraction form
    208,735.48/288,055.06 = 113,242.15/x
  3. Step 3: Cross multiply
    208,735.48x = 288,055.06 × 113,242.15
  4. Step 4: Simplify right side
    208,735.48x = 32,619,974,312.78
  5. Step 5: Solve for x
    x = 32,619,974,312.78/208,735.48
  6. Step 6: Final answer
    x = 156,274.22

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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.