Home / 145,928.16-218,946.92-51,165.45

Finding the Fourth Proportional to 145,928.16, 218,946.92 and 51,165.45

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Solution

The fourth proportional to 145,928.16, 218,946.92 and 51,165.45 is: 76,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,928.16 : 218,946.92 = 51,165.45 : x
  2. Step 2: Convert to fraction form
    145,928.16/218,946.92 = 51,165.45/x
  3. Step 3: Cross multiply
    145,928.16x = 218,946.92 × 51,165.45
  4. Step 4: Simplify right side
    145,928.16x = 11,202,517,432.09
  5. Step 5: Solve for x
    x = 11,202,517,432.09/145,928.16
  6. Step 6: Final answer
    x = 76,767.35

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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.