Home / 142,352.80-213,068.40-131,293.60

Finding the Fourth Proportional to 142,352.80, 213,068.40 and 131,293.60

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Solution

The fourth proportional to 142,352.80, 213,068.40 and 131,293.60 is: 196,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,352.80 : 213,068.40 = 131,293.60 : x
  2. Step 2: Convert to fraction form
    142,352.80/213,068.40 = 131,293.60/x
  3. Step 3: Cross multiply
    142,352.80x = 213,068.40 × 131,293.60
  4. Step 4: Simplify right side
    142,352.80x = 27,974,517,282.24
  5. Step 5: Solve for x
    x = 27,974,517,282.24/142,352.80
  6. Step 6: Final answer
    x = 196,515.40

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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.