Home / 74,017.35-102,146.58-42,181.11

Finding the Fourth Proportional to 74,017.35, 102,146.58 and 42,181.11

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Solution

The fourth proportional to 74,017.35, 102,146.58 and 42,181.11 is: 58,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.35 : 102,146.58 = 42,181.11 : x
  2. Step 2: Convert to fraction form
    74,017.35/102,146.58 = 42,181.11/x
  3. Step 3: Cross multiply
    74,017.35x = 102,146.58 × 42,181.11
  4. Step 4: Simplify right side
    74,017.35x = 4,308,656,127.10
  5. Step 5: Solve for x
    x = 4,308,656,127.10/74,017.35
  6. Step 6: Final answer
    x = 58,211.43

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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.