Home / 142,485.12-213,749.55-48,969

Finding the Fourth Proportional to 142,485.12, 213,749.55 and 48,969

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Solution

The fourth proportional to 142,485.12, 213,749.55 and 48,969 is: 73,461.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,485.12 : 213,749.55 = 48,969 : x
  2. Step 2: Convert to fraction form
    142,485.12/213,749.55 = 48,969/x
  3. Step 3: Cross multiply
    142,485.12x = 213,749.55 × 48,969
  4. Step 4: Simplify right side
    142,485.12x = 10,467,101,713.95
  5. Step 5: Solve for x
    x = 10,467,101,713.95/142,485.12
  6. Step 6: Final answer
    x = 73,461.02

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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.