Home / 144,287.40-216,431.11-39,106.37

Finding the Fourth Proportional to 144,287.40, 216,431.11 and 39,106.37

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Solution

The fourth proportional to 144,287.40, 216,431.11 and 39,106.37 is: 58,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,287.40 : 216,431.11 = 39,106.37 : x
  2. Step 2: Convert to fraction form
    144,287.40/216,431.11 = 39,106.37/x
  3. Step 3: Cross multiply
    144,287.40x = 216,431.11 × 39,106.37
  4. Step 4: Simplify right side
    144,287.40x = 8,463,835,437.16
  5. Step 5: Solve for x
    x = 8,463,835,437.16/144,287.40
  6. Step 6: Final answer
    x = 58,659.56

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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.