Home / 145,394.25-218,002.06-56,544.17

Finding the Fourth Proportional to 145,394.25, 218,002.06 and 56,544.17

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Solution

The fourth proportional to 145,394.25, 218,002.06 and 56,544.17 is: 84,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,394.25 : 218,002.06 = 56,544.17 : x
  2. Step 2: Convert to fraction form
    145,394.25/218,002.06 = 56,544.17/x
  3. Step 3: Cross multiply
    145,394.25x = 218,002.06 × 56,544.17
  4. Step 4: Simplify right side
    145,394.25x = 12,326,745,540.99
  5. Step 5: Solve for x
    x = 12,326,745,540.99/145,394.25
  6. Step 6: Final answer
    x = 84,781.52

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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.