Home / 121,106.56-181,648.32-37,985.92

Finding the Fourth Proportional to 121,106.56, 181,648.32 and 37,985.92

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Solution

The fourth proportional to 121,106.56, 181,648.32 and 37,985.92 is: 56,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,106.56 : 181,648.32 = 37,985.92 : x
  2. Step 2: Convert to fraction form
    121,106.56/181,648.32 = 37,985.92/x
  3. Step 3: Cross multiply
    121,106.56x = 181,648.32 × 37,985.92
  4. Step 4: Simplify right side
    121,106.56x = 6,900,078,551.65
  5. Step 5: Solve for x
    x = 6,900,078,551.65/121,106.56
  6. Step 6: Final answer
    x = 56,975.27

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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.