Home / 145,914.95-218,857.55-39,294.59

Finding the Fourth Proportional to 145,914.95, 218,857.55 and 39,294.59

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Solution

The fourth proportional to 145,914.95, 218,857.55 and 39,294.59 is: 58,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,914.95 : 218,857.55 = 39,294.59 : x
  2. Step 2: Convert to fraction form
    145,914.95/218,857.55 = 39,294.59/x
  3. Step 3: Cross multiply
    145,914.95x = 218,857.55 × 39,294.59
  4. Step 4: Simplify right side
    145,914.95x = 8,599,916,404.89
  5. Step 5: Solve for x
    x = 8,599,916,404.89/145,914.95
  6. Step 6: Final answer
    x = 58,937.87

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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.