Home / 152,415.70-228,623.55-99,271.60

Finding the Fourth Proportional to 152,415.70, 228,623.55 and 99,271.60

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Solution

The fourth proportional to 152,415.70, 228,623.55 and 99,271.60 is: 148,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,415.70 : 228,623.55 = 99,271.60 : x
  2. Step 2: Convert to fraction form
    152,415.70/228,623.55 = 99,271.60/x
  3. Step 3: Cross multiply
    152,415.70x = 228,623.55 × 99,271.60
  4. Step 4: Simplify right side
    152,415.70x = 22,695,825,606.18
  5. Step 5: Solve for x
    x = 22,695,825,606.18/152,415.70
  6. Step 6: Final answer
    x = 148,907.40

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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.