Home / 158,422.78-237,556.40-78,368.25

Finding the Fourth Proportional to 158,422.78, 237,556.40 and 78,368.25

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Solution

The fourth proportional to 158,422.78, 237,556.40 and 78,368.25 is: 117,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,422.78 : 237,556.40 = 78,368.25 : x
  2. Step 2: Convert to fraction form
    158,422.78/237,556.40 = 78,368.25/x
  3. Step 3: Cross multiply
    158,422.78x = 237,556.40 × 78,368.25
  4. Step 4: Simplify right side
    158,422.78x = 18,616,879,344.30
  5. Step 5: Solve for x
    x = 18,616,879,344.30/158,422.78
  6. Step 6: Final answer
    x = 117,513.91

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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.