Home / 142,004.97-213,051.65-42,165.68

Finding the Fourth Proportional to 142,004.97, 213,051.65 and 42,165.68

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Solution

The fourth proportional to 142,004.97, 213,051.65 and 42,165.68 is: 63,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,004.97 : 213,051.65 = 42,165.68 : x
  2. Step 2: Convert to fraction form
    142,004.97/213,051.65 = 42,165.68/x
  3. Step 3: Cross multiply
    142,004.97x = 213,051.65 × 42,165.68
  4. Step 4: Simplify right side
    142,004.97x = 8,983,467,697.37
  5. Step 5: Solve for x
    x = 8,983,467,697.37/142,004.97
  6. Step 6: Final answer
    x = 63,261.64

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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.