Home / 142,110.24-213,115.32-47,314.68

Finding the Fourth Proportional to 142,110.24, 213,115.32 and 47,314.68

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Solution

The fourth proportional to 142,110.24, 213,115.32 and 47,314.68 is: 70,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,110.24 : 213,115.32 = 47,314.68 : x
  2. Step 2: Convert to fraction form
    142,110.24/213,115.32 = 47,314.68/x
  3. Step 3: Cross multiply
    142,110.24x = 213,115.32 × 47,314.68
  4. Step 4: Simplify right side
    142,110.24x = 10,083,483,168.90
  5. Step 5: Solve for x
    x = 10,083,483,168.90/142,110.24
  6. Step 6: Final answer
    x = 70,955.36

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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.