Home / 142,245.95-213,322.01-47,450.00

Finding the Fourth Proportional to 142,245.95, 213,322.01 and 47,450.00

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Solution

The fourth proportional to 142,245.95, 213,322.01 and 47,450.00 is: 71,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,245.95 : 213,322.01 = 47,450.00 : x
  2. Step 2: Convert to fraction form
    142,245.95/213,322.01 = 47,450.00/x
  3. Step 3: Cross multiply
    142,245.95x = 213,322.01 × 47,450.00
  4. Step 4: Simplify right side
    142,245.95x = 10,122,128,070.64
  5. Step 5: Solve for x
    x = 10,122,128,070.64/142,245.95
  6. Step 6: Final answer
    x = 71,159.34

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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.