Home / 142,794.24-214,264.80-67,999.20

Finding the Fourth Proportional to 142,794.24, 214,264.80 and 67,999.20

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Solution

The fourth proportional to 142,794.24, 214,264.80 and 67,999.20 is: 102,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,794.24 : 214,264.80 = 67,999.20 : x
  2. Step 2: Convert to fraction form
    142,794.24/214,264.80 = 67,999.20/x
  3. Step 3: Cross multiply
    142,794.24x = 214,264.80 × 67,999.20
  4. Step 4: Simplify right side
    142,794.24x = 14,569,834,988.16
  5. Step 5: Solve for x
    x = 14,569,834,988.16/142,794.24
  6. Step 6: Final answer
    x = 102,033.77

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1.5x scale

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.