Home / 358,853.60-538,385.66-106,140.75

Finding the Fourth Proportional to 358,853.60, 538,385.66 and 106,140.75

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Solution

The fourth proportional to 358,853.60, 538,385.66 and 106,140.75 is: 159,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,853.60 : 538,385.66 = 106,140.75 : x
  2. Step 2: Convert to fraction form
    358,853.60/538,385.66 = 106,140.75/x
  3. Step 3: Cross multiply
    358,853.60x = 538,385.66 × 106,140.75
  4. Step 4: Simplify right side
    358,853.60x = 57,144,657,741.65
  5. Step 5: Solve for x
    x = 57,144,657,741.65/358,853.60
  6. Step 6: Final answer
    x = 159,242.26

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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.