Home / 142,018.84-195,940.24-94,281.40

Finding the Fourth Proportional to 142,018.84, 195,940.24 and 94,281.40

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Solution

The fourth proportional to 142,018.84, 195,940.24 and 94,281.40 is: 130,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,018.84 : 195,940.24 = 94,281.40 : x
  2. Step 2: Convert to fraction form
    142,018.84/195,940.24 = 94,281.40/x
  3. Step 3: Cross multiply
    142,018.84x = 195,940.24 × 94,281.40
  4. Step 4: Simplify right side
    142,018.84x = 18,473,520,143.54
  5. Step 5: Solve for x
    x = 18,473,520,143.54/142,018.84
  6. Step 6: Final answer
    x = 130,077.95

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1.5x scale

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.