Home / 145,439.61-218,162.14-45,597.59

Finding the Fourth Proportional to 145,439.61, 218,162.14 and 45,597.59

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Solution

The fourth proportional to 145,439.61, 218,162.14 and 45,597.59 is: 68,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,439.61 : 218,162.14 = 45,597.59 : x
  2. Step 2: Convert to fraction form
    145,439.61/218,162.14 = 45,597.59/x
  3. Step 3: Cross multiply
    145,439.61x = 218,162.14 × 45,597.59
  4. Step 4: Simplify right side
    145,439.61x = 9,947,667,813.24
  5. Step 5: Solve for x
    x = 9,947,667,813.24/145,439.61
  6. Step 6: Final answer
    x = 68,397.24

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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.