Home / 141,929.81-212,705.57-67,069.82

Finding the Fourth Proportional to 141,929.81, 212,705.57 and 67,069.82

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Solution

The fourth proportional to 141,929.81, 212,705.57 and 67,069.82 is: 100,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,929.81 : 212,705.57 = 67,069.82 : x
  2. Step 2: Convert to fraction form
    141,929.81/212,705.57 = 67,069.82/x
  3. Step 3: Cross multiply
    141,929.81x = 212,705.57 × 67,069.82
  4. Step 4: Simplify right side
    141,929.81x = 14,266,124,803.70
  5. Step 5: Solve for x
    x = 14,266,124,803.70/141,929.81
  6. Step 6: Final answer
    x = 100,515.35

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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.