Home / 142,513.19-213,800.26-52,556.15

Finding the Fourth Proportional to 142,513.19, 213,800.26 and 52,556.15

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Solution

The fourth proportional to 142,513.19, 213,800.26 and 52,556.15 is: 78,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,513.19 : 213,800.26 = 52,556.15 : x
  2. Step 2: Convert to fraction form
    142,513.19/213,800.26 = 52,556.15/x
  3. Step 3: Cross multiply
    142,513.19x = 213,800.26 × 52,556.15
  4. Step 4: Simplify right side
    142,513.19x = 11,236,518,534.60
  5. Step 5: Solve for x
    x = 11,236,518,534.60/142,513.19
  6. Step 6: Final answer
    x = 78,845.46

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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.