Home / 134,258.61-185,262.51-77,659.41

Finding the Fourth Proportional to 134,258.61, 185,262.51 and 77,659.41

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Solution

The fourth proportional to 134,258.61, 185,262.51 and 77,659.41 is: 107,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,258.61 : 185,262.51 = 77,659.41 : x
  2. Step 2: Convert to fraction form
    134,258.61/185,262.51 = 77,659.41/x
  3. Step 3: Cross multiply
    134,258.61x = 185,262.51 × 77,659.41
  4. Step 4: Simplify right side
    134,258.61x = 14,387,377,221.72
  5. Step 5: Solve for x
    x = 14,387,377,221.72/134,258.61
  6. Step 6: Final answer
    x = 107,161.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.