Home / 209,933.02-289,696.62-119,276.40

Finding the Fourth Proportional to 209,933.02, 289,696.62 and 119,276.40

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Solution

The fourth proportional to 209,933.02, 289,696.62 and 119,276.40 is: 164,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933.02 : 289,696.62 = 119,276.40 : x
  2. Step 2: Convert to fraction form
    209,933.02/289,696.62 = 119,276.40/x
  3. Step 3: Cross multiply
    209,933.02x = 289,696.62 × 119,276.40
  4. Step 4: Simplify right side
    209,933.02x = 34,553,969,925.77
  5. Step 5: Solve for x
    x = 34,553,969,925.77/209,933.02
  6. Step 6: Final answer
    x = 164,595.21

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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.