Home / 152,141.12-228,145.10-72,202.00

Finding the Fourth Proportional to 152,141.12, 228,145.10 and 72,202.00

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Solution

The fourth proportional to 152,141.12, 228,145.10 and 72,202.00 is: 108,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,141.12 : 228,145.10 = 72,202.00 : x
  2. Step 2: Convert to fraction form
    152,141.12/228,145.10 = 72,202.00/x
  3. Step 3: Cross multiply
    152,141.12x = 228,145.10 × 72,202.00
  4. Step 4: Simplify right side
    152,141.12x = 16,472,531,771.08
  5. Step 5: Solve for x
    x = 16,472,531,771.08/152,141.12
  6. Step 6: Final answer
    x = 108,271.40

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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.