Home / 134,720.74-185,916.63-74,291.50

Finding the Fourth Proportional to 134,720.74, 185,916.63 and 74,291.50

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Solution

The fourth proportional to 134,720.74, 185,916.63 and 74,291.50 is: 102,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,720.74 : 185,916.63 = 74,291.50 : x
  2. Step 2: Convert to fraction form
    134,720.74/185,916.63 = 74,291.50/x
  3. Step 3: Cross multiply
    134,720.74x = 185,916.63 × 74,291.50
  4. Step 4: Simplify right side
    134,720.74x = 13,812,025,317.65
  5. Step 5: Solve for x
    x = 13,812,025,317.65/134,720.74
  6. Step 6: Final answer
    x = 102,523.38

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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.