Home / 145,108.64-217,581.28-50,294.40

Finding the Fourth Proportional to 145,108.64, 217,581.28 and 50,294.40

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Solution

The fourth proportional to 145,108.64, 217,581.28 and 50,294.40 is: 75,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,108.64 : 217,581.28 = 50,294.40 : x
  2. Step 2: Convert to fraction form
    145,108.64/217,581.28 = 50,294.40/x
  3. Step 3: Cross multiply
    145,108.64x = 217,581.28 × 50,294.40
  4. Step 4: Simplify right side
    145,108.64x = 10,943,119,928.83
  5. Step 5: Solve for x
    x = 10,943,119,928.83/145,108.64
  6. Step 6: Final answer
    x = 75,413.29

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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.