Home / 102,164.84-140,988.18-56,844.74

Finding the Fourth Proportional to 102,164.84, 140,988.18 and 56,844.74

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Solution

The fourth proportional to 102,164.84, 140,988.18 and 56,844.74 is: 78,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,164.84 : 140,988.18 = 56,844.74 : x
  2. Step 2: Convert to fraction form
    102,164.84/140,988.18 = 56,844.74/x
  3. Step 3: Cross multiply
    102,164.84x = 140,988.18 × 56,844.74
  4. Step 4: Simplify right side
    102,164.84x = 8,014,436,127.81
  5. Step 5: Solve for x
    x = 8,014,436,127.81/102,164.84
  6. Step 6: Final answer
    x = 78,446.12

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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.