Home / 145,880.15-218,732.69-57,027.74

Finding the Fourth Proportional to 145,880.15, 218,732.69 and 57,027.74

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Solution

The fourth proportional to 145,880.15, 218,732.69 and 57,027.74 is: 85,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,880.15 : 218,732.69 = 57,027.74 : x
  2. Step 2: Convert to fraction form
    145,880.15/218,732.69 = 57,027.74/x
  3. Step 3: Cross multiply
    145,880.15x = 218,732.69 × 57,027.74
  4. Step 4: Simplify right side
    145,880.15x = 12,473,830,023.73
  5. Step 5: Solve for x
    x = 12,473,830,023.73/145,880.15
  6. Step 6: Final answer
    x = 85,507.39

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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.