Home / 74,130.36-102,307.22-42,304.04

Finding the Fourth Proportional to 74,130.36, 102,307.22 and 42,304.04

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Solution

The fourth proportional to 74,130.36, 102,307.22 and 42,304.04 is: 58,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.36 : 102,307.22 = 42,304.04 : x
  2. Step 2: Convert to fraction form
    74,130.36/102,307.22 = 42,304.04/x
  3. Step 3: Cross multiply
    74,130.36x = 102,307.22 × 42,304.04
  4. Step 4: Simplify right side
    74,130.36x = 4,328,008,546.40
  5. Step 5: Solve for x
    x = 4,328,008,546.40/74,130.36
  6. Step 6: Final answer
    x = 58,383.75

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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.