Home / 109,574.08-164,297.73-42,936.19

Finding the Fourth Proportional to 109,574.08, 164,297.73 and 42,936.19

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Solution

The fourth proportional to 109,574.08, 164,297.73 and 42,936.19 is: 64,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,574.08 : 164,297.73 = 42,936.19 : x
  2. Step 2: Convert to fraction form
    109,574.08/164,297.73 = 42,936.19/x
  3. Step 3: Cross multiply
    109,574.08x = 164,297.73 × 42,936.19
  4. Step 4: Simplify right side
    109,574.08x = 7,054,318,551.85
  5. Step 5: Solve for x
    x = 7,054,318,551.85/109,574.08
  6. Step 6: Final answer
    x = 64,379.45

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1.5x scale

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.