Home / 162,749.48-242,904-152,120.64

Finding the Fourth Proportional to 162,749.48, 242,904 and 152,120.64

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Solution

The fourth proportional to 162,749.48, 242,904 and 152,120.64 is: 227,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,749.48 : 242,904 = 152,120.64 : x
  2. Step 2: Convert to fraction form
    162,749.48/242,904 = 152,120.64/x
  3. Step 3: Cross multiply
    162,749.48x = 242,904 × 152,120.64
  4. Step 4: Simplify right side
    162,749.48x = 36,950,711,938.56
  5. Step 5: Solve for x
    x = 36,950,711,938.56/162,749.48
  6. Step 6: Final answer
    x = 227,040.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.