Home / 145,828.56-218,223.04-100,858.96

Finding the Fourth Proportional to 145,828.56, 218,223.04 and 100,858.96

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Solution

The fourth proportional to 145,828.56, 218,223.04 and 100,858.96 is: 150,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,828.56 : 218,223.04 = 100,858.96 : x
  2. Step 2: Convert to fraction form
    145,828.56/218,223.04 = 100,858.96/x
  3. Step 3: Cross multiply
    145,828.56x = 218,223.04 × 100,858.96
  4. Step 4: Simplify right side
    145,828.56x = 22,009,748,862.44
  5. Step 5: Solve for x
    x = 22,009,748,862.44/145,828.56
  6. Step 6: Final answer
    x = 150,928.93

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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.