Home / 145,372.23-218,055.59-79,233.24

Finding the Fourth Proportional to 145,372.23, 218,055.59 and 79,233.24

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Solution

The fourth proportional to 145,372.23, 218,055.59 and 79,233.24 is: 118,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,372.23 : 218,055.59 = 79,233.24 : x
  2. Step 2: Convert to fraction form
    145,372.23/218,055.59 = 79,233.24/x
  3. Step 3: Cross multiply
    145,372.23x = 218,055.59 × 79,233.24
  4. Step 4: Simplify right side
    145,372.23x = 17,277,250,499.65
  5. Step 5: Solve for x
    x = 17,277,250,499.65/145,372.23
  6. Step 6: Final answer
    x = 118,848.36

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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.