Home / 152,786.96-210,841.97-84,803.76

Finding the Fourth Proportional to 152,786.96, 210,841.97 and 84,803.76

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Solution

The fourth proportional to 152,786.96, 210,841.97 and 84,803.76 is: 117,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,786.96 : 210,841.97 = 84,803.76 : x
  2. Step 2: Convert to fraction form
    152,786.96/210,841.97 = 84,803.76/x
  3. Step 3: Cross multiply
    152,786.96x = 210,841.97 × 84,803.76
  4. Step 4: Simplify right side
    152,786.96x = 17,880,191,397.79
  5. Step 5: Solve for x
    x = 17,880,191,397.79/152,786.96
  6. Step 6: Final answer
    x = 117,026.95

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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.