Home / 142,283.70-213,429.20-67,386.24

Finding the Fourth Proportional to 142,283.70, 213,429.20 and 67,386.24

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Solution

The fourth proportional to 142,283.70, 213,429.20 and 67,386.24 is: 101,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,283.70 : 213,429.20 = 67,386.24 : x
  2. Step 2: Convert to fraction form
    142,283.70/213,429.20 = 67,386.24/x
  3. Step 3: Cross multiply
    142,283.70x = 213,429.20 × 67,386.24
  4. Step 4: Simplify right side
    142,283.70x = 14,382,190,957.28
  5. Step 5: Solve for x
    x = 14,382,190,957.28/142,283.70
  6. Step 6: Final answer
    x = 101,081.09

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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.