Home / 145,374.23-218,058.58-79,235.24

Finding the Fourth Proportional to 145,374.23, 218,058.58 and 79,235.24

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Solution

The fourth proportional to 145,374.23, 218,058.58 and 79,235.24 is: 118,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,374.23 : 218,058.58 = 79,235.24 : x
  2. Step 2: Convert to fraction form
    145,374.23/218,058.58 = 79,235.24/x
  3. Step 3: Cross multiply
    145,374.23x = 218,058.58 × 79,235.24
  4. Step 4: Simplify right side
    145,374.23x = 17,277,923,920.36
  5. Step 5: Solve for x
    x = 17,277,923,920.36/145,374.23
  6. Step 6: Final answer
    x = 118,851.35

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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.