Home / 121,643.23-182,482.32-37,410.49

Finding the Fourth Proportional to 121,643.23, 182,482.32 and 37,410.49

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Solution

The fourth proportional to 121,643.23, 182,482.32 and 37,410.49 is: 56,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,643.23 : 182,482.32 = 37,410.49 : x
  2. Step 2: Convert to fraction form
    121,643.23/182,482.32 = 37,410.49/x
  3. Step 3: Cross multiply
    121,643.23x = 182,482.32 × 37,410.49
  4. Step 4: Simplify right side
    121,643.23x = 6,826,753,007.54
  5. Step 5: Solve for x
    x = 6,826,753,007.54/121,643.23
  6. Step 6: Final answer
    x = 56,121.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.