Home / 112,981.74-169,266.04-52,899.98

Finding the Fourth Proportional to 112,981.74, 169,266.04 and 52,899.98

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Solution

The fourth proportional to 112,981.74, 169,266.04 and 52,899.98 is: 79,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,981.74 : 169,266.04 = 52,899.98 : x
  2. Step 2: Convert to fraction form
    112,981.74/169,266.04 = 52,899.98/x
  3. Step 3: Cross multiply
    112,981.74x = 169,266.04 × 52,899.98
  4. Step 4: Simplify right side
    112,981.74x = 8,954,170,130.68
  5. Step 5: Solve for x
    x = 8,954,170,130.68/112,981.74
  6. Step 6: Final answer
    x = 79,253.25

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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.