Home / 74,139.30-111,178.98-46,017.72

Finding the Fourth Proportional to 74,139.30, 111,178.98 and 46,017.72

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Solution

The fourth proportional to 74,139.30, 111,178.98 and 46,017.72 is: 69,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,139.30 : 111,178.98 = 46,017.72 : x
  2. Step 2: Convert to fraction form
    74,139.30/111,178.98 = 46,017.72/x
  3. Step 3: Cross multiply
    74,139.30x = 111,178.98 × 46,017.72
  4. Step 4: Simplify right side
    74,139.30x = 5,116,203,171.53
  5. Step 5: Solve for x
    x = 5,116,203,171.53/74,139.30
  6. Step 6: Final answer
    x = 69,007.98

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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.