Home / 145,721.96-218,612.41-61,482.33

Finding the Fourth Proportional to 145,721.96, 218,612.41 and 61,482.33

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Solution

The fourth proportional to 145,721.96, 218,612.41 and 61,482.33 is: 92,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,721.96 : 218,612.41 = 61,482.33 : x
  2. Step 2: Convert to fraction form
    145,721.96/218,612.41 = 61,482.33/x
  3. Step 3: Cross multiply
    145,721.96x = 218,612.41 × 61,482.33
  4. Step 4: Simplify right side
    145,721.96x = 13,440,800,589.91
  5. Step 5: Solve for x
    x = 13,440,800,589.91/145,721.96
  6. Step 6: Final answer
    x = 92,235.93

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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.