Home / 142,288.29-213,542.60-53,622.45

Finding the Fourth Proportional to 142,288.29, 213,542.60 and 53,622.45

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Solution

The fourth proportional to 142,288.29, 213,542.60 and 53,622.45 is: 80,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,288.29 : 213,542.60 = 53,622.45 : x
  2. Step 2: Convert to fraction form
    142,288.29/213,542.60 = 53,622.45/x
  3. Step 3: Cross multiply
    142,288.29x = 213,542.60 × 53,622.45
  4. Step 4: Simplify right side
    142,288.29x = 11,450,677,123.26
  5. Step 5: Solve for x
    x = 11,450,677,123.26/142,288.29
  6. Step 6: Final answer
    x = 80,475.19

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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.