Home / 153,317.14-230,022.72-78,490.30

Finding the Fourth Proportional to 153,317.14, 230,022.72 and 78,490.30

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Solution

The fourth proportional to 153,317.14, 230,022.72 and 78,490.30 is: 117,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,317.14 : 230,022.72 = 78,490.30 : x
  2. Step 2: Convert to fraction form
    153,317.14/230,022.72 = 78,490.30/x
  3. Step 3: Cross multiply
    153,317.14x = 230,022.72 × 78,490.30
  4. Step 4: Simplify right side
    153,317.14x = 18,054,552,299.62
  5. Step 5: Solve for x
    x = 18,054,552,299.62/153,317.14
  6. Step 6: Final answer
    x = 117,759.52

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1.5x scale

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.