Home / 103,030.12-154,558.14-36,454.60

Finding the Fourth Proportional to 103,030.12, 154,558.14 and 36,454.60

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Solution

The fourth proportional to 103,030.12, 154,558.14 and 36,454.60 is: 54,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,030.12 : 154,558.14 = 36,454.60 : x
  2. Step 2: Convert to fraction form
    103,030.12/154,558.14 = 36,454.60/x
  3. Step 3: Cross multiply
    103,030.12x = 154,558.14 × 36,454.60
  4. Step 4: Simplify right side
    103,030.12x = 5,634,355,170.44
  5. Step 5: Solve for x
    x = 5,634,355,170.44/103,030.12
  6. Step 6: Final answer
    x = 54,686.49

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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.