Home / 152,034.20-228,051.30-69,090.20

Finding the Fourth Proportional to 152,034.20, 228,051.30 and 69,090.20

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Solution

The fourth proportional to 152,034.20, 228,051.30 and 69,090.20 is: 103,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,034.20 : 228,051.30 = 69,090.20 : x
  2. Step 2: Convert to fraction form
    152,034.20/228,051.30 = 69,090.20/x
  3. Step 3: Cross multiply
    152,034.20x = 228,051.30 × 69,090.20
  4. Step 4: Simplify right side
    152,034.20x = 15,756,109,927.26
  5. Step 5: Solve for x
    x = 15,756,109,927.26/152,034.20
  6. Step 6: Final answer
    x = 103,635.30

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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.