Home / 209,032.56-288,466.47-113,539.32

Finding the Fourth Proportional to 209,032.56, 288,466.47 and 113,539.32

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Solution

The fourth proportional to 209,032.56, 288,466.47 and 113,539.32 is: 156,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,032.56 : 288,466.47 = 113,539.32 : x
  2. Step 2: Convert to fraction form
    209,032.56/288,466.47 = 113,539.32/x
  3. Step 3: Cross multiply
    209,032.56x = 288,466.47 × 113,539.32
  4. Step 4: Simplify right side
    209,032.56x = 32,752,286,846.60
  5. Step 5: Solve for x
    x = 32,752,286,846.60/209,032.56
  6. Step 6: Final answer
    x = 156,685.10

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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.