Home / 152,937.45-229,400.10-53,120.34

Finding the Fourth Proportional to 152,937.45, 229,400.10 and 53,120.34

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Solution

The fourth proportional to 152,937.45, 229,400.10 and 53,120.34 is: 79,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,937.45 : 229,400.10 = 53,120.34 : x
  2. Step 2: Convert to fraction form
    152,937.45/229,400.10 = 53,120.34/x
  3. Step 3: Cross multiply
    152,937.45x = 229,400.10 × 53,120.34
  4. Step 4: Simplify right side
    152,937.45x = 12,185,811,308.03
  5. Step 5: Solve for x
    x = 12,185,811,308.03/152,937.45
  6. Step 6: Final answer
    x = 79,678.40

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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.