Home / 209,343.32-288,887.60-118,707.56

Finding the Fourth Proportional to 209,343.32, 288,887.60 and 118,707.56

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Solution

The fourth proportional to 209,343.32, 288,887.60 and 118,707.56 is: 163,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,343.32 : 288,887.60 = 118,707.56 : x
  2. Step 2: Convert to fraction form
    209,343.32/288,887.60 = 118,707.56/x
  3. Step 3: Cross multiply
    209,343.32x = 288,887.60 × 118,707.56
  4. Step 4: Simplify right side
    209,343.32x = 34,293,140,072.28
  5. Step 5: Solve for x
    x = 34,293,140,072.28/209,343.32
  6. Step 6: Final answer
    x = 163,812.92

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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.