Home / 152,021.20-228,011.10-39,710.20

Finding the Fourth Proportional to 152,021.20, 228,011.10 and 39,710.20

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Solution

The fourth proportional to 152,021.20, 228,011.10 and 39,710.20 is: 59,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,021.20 : 228,011.10 = 39,710.20 : x
  2. Step 2: Convert to fraction form
    152,021.20/228,011.10 = 39,710.20/x
  3. Step 3: Cross multiply
    152,021.20x = 228,011.10 × 39,710.20
  4. Step 4: Simplify right side
    152,021.20x = 9,054,366,383.22
  5. Step 5: Solve for x
    x = 9,054,366,383.22/152,021.20
  6. Step 6: Final answer
    x = 59,559.89

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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.