Home / 209,228.16-288,736.75-113,735.04

Finding the Fourth Proportional to 209,228.16, 288,736.75 and 113,735.04

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Solution

The fourth proportional to 209,228.16, 288,736.75 and 113,735.04 is: 156,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,228.16 : 288,736.75 = 113,735.04 : x
  2. Step 2: Convert to fraction form
    209,228.16/288,736.75 = 113,735.04/x
  3. Step 3: Cross multiply
    209,228.16x = 288,736.75 × 113,735.04
  4. Step 4: Simplify right side
    209,228.16x = 32,839,484,870.13
  5. Step 5: Solve for x
    x = 32,839,484,870.13/209,228.16
  6. Step 6: Final answer
    x = 156,955.37

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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.