Home / 145,352.52-217,712.22-70,314.36

Finding the Fourth Proportional to 145,352.52, 217,712.22 and 70,314.36

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Solution

The fourth proportional to 145,352.52, 217,712.22 and 70,314.36 is: 105,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,352.52 : 217,712.22 = 70,314.36 : x
  2. Step 2: Convert to fraction form
    145,352.52/217,712.22 = 70,314.36/x
  3. Step 3: Cross multiply
    145,352.52x = 217,712.22 × 70,314.36
  4. Step 4: Simplify right side
    145,352.52x = 15,308,295,413.48
  5. Step 5: Solve for x
    x = 15,308,295,413.48/145,352.52
  6. Step 6: Final answer
    x = 105,318.40

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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.