Home / 209,442.12-289,026.95-113,946.63

Finding the Fourth Proportional to 209,442.12, 289,026.95 and 113,946.63

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Solution

The fourth proportional to 209,442.12, 289,026.95 and 113,946.63 is: 157,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,442.12 : 289,026.95 = 113,946.63 : x
  2. Step 2: Convert to fraction form
    209,442.12/289,026.95 = 113,946.63/x
  3. Step 3: Cross multiply
    209,442.12x = 289,026.95 × 113,946.63
  4. Step 4: Simplify right side
    209,442.12x = 32,933,646,361.95
  5. Step 5: Solve for x
    x = 32,933,646,361.95/209,442.12
  6. Step 6: Final answer
    x = 157,244.62

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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.