Home / 152,431.20-210,356.64-84,450.24

Finding the Fourth Proportional to 152,431.20, 210,356.64 and 84,450.24

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Solution

The fourth proportional to 152,431.20, 210,356.64 and 84,450.24 is: 116,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,431.20 : 210,356.64 = 84,450.24 : x
  2. Step 2: Convert to fraction form
    152,431.20/210,356.64 = 84,450.24/x
  3. Step 3: Cross multiply
    152,431.20x = 210,356.64 × 84,450.24
  4. Step 4: Simplify right side
    152,431.20x = 17,764,668,733.59
  5. Step 5: Solve for x
    x = 17,764,668,733.59/152,431.20
  6. Step 6: Final answer
    x = 116,542.21

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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.