Home / 157,811.40-236,717.10-47,003.40

Finding the Fourth Proportional to 157,811.40, 236,717.10 and 47,003.40

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Solution

The fourth proportional to 157,811.40, 236,717.10 and 47,003.40 is: 70,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,811.40 : 236,717.10 = 47,003.40 : x
  2. Step 2: Convert to fraction form
    157,811.40/236,717.10 = 47,003.40/x
  3. Step 3: Cross multiply
    157,811.40x = 236,717.10 × 47,003.40
  4. Step 4: Simplify right side
    157,811.40x = 11,126,508,538.14
  5. Step 5: Solve for x
    x = 11,126,508,538.14/157,811.40
  6. Step 6: Final answer
    x = 70,505.10

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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.