Home / 134,479.69-185,574.62-74,038.85

Finding the Fourth Proportional to 134,479.69, 185,574.62 and 74,038.85

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Solution

The fourth proportional to 134,479.69, 185,574.62 and 74,038.85 is: 102,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,479.69 : 185,574.62 = 74,038.85 : x
  2. Step 2: Convert to fraction form
    134,479.69/185,574.62 = 74,038.85/x
  3. Step 3: Cross multiply
    134,479.69x = 185,574.62 × 74,038.85
  4. Step 4: Simplify right side
    134,479.69x = 13,739,731,083.79
  5. Step 5: Solve for x
    x = 13,739,731,083.79/134,479.69
  6. Step 6: Final answer
    x = 102,169.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.