Home / 144,212.86-216,017.56-115,980.31

Finding the Fourth Proportional to 144,212.86, 216,017.56 and 115,980.31

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Solution

The fourth proportional to 144,212.86, 216,017.56 and 115,980.31 is: 173,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,212.86 : 216,017.56 = 115,980.31 : x
  2. Step 2: Convert to fraction form
    144,212.86/216,017.56 = 115,980.31/x
  3. Step 3: Cross multiply
    144,212.86x = 216,017.56 × 115,980.31
  4. Step 4: Simplify right side
    144,212.86x = 25,053,783,574.24
  5. Step 5: Solve for x
    x = 25,053,783,574.24/144,212.86
  6. Step 6: Final answer
    x = 173,727.80

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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.