Home / 74,055.81-102,196.90-40,064.18

Finding the Fourth Proportional to 74,055.81, 102,196.90 and 40,064.18

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Solution

The fourth proportional to 74,055.81, 102,196.90 and 40,064.18 is: 55,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055.81 : 102,196.90 = 40,064.18 : x
  2. Step 2: Convert to fraction form
    74,055.81/102,196.90 = 40,064.18/x
  3. Step 3: Cross multiply
    74,055.81x = 102,196.90 × 40,064.18
  4. Step 4: Simplify right side
    74,055.81x = 4,094,435,311.05
  5. Step 5: Solve for x
    x = 4,094,435,311.05/74,055.81
  6. Step 6: Final answer
    x = 55,288.51

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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.