Home / 142,246.09-213,400.91-53,500.37

Finding the Fourth Proportional to 142,246.09, 213,400.91 and 53,500.37

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Solution

The fourth proportional to 142,246.09, 213,400.91 and 53,500.37 is: 80,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,246.09 : 213,400.91 = 53,500.37 : x
  2. Step 2: Convert to fraction form
    142,246.09/213,400.91 = 53,500.37/x
  3. Step 3: Cross multiply
    142,246.09x = 213,400.91 × 53,500.37
  4. Step 4: Simplify right side
    142,246.09x = 11,417,026,710.08
  5. Step 5: Solve for x
    x = 11,417,026,710.08/142,246.09
  6. Step 6: Final answer
    x = 80,262.50

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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.