Home / 121,040.65-181,570.66-36,808.35

Finding the Fourth Proportional to 121,040.65, 181,570.66 and 36,808.35

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Solution

The fourth proportional to 121,040.65, 181,570.66 and 36,808.35 is: 55,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,040.65 : 181,570.66 = 36,808.35 : x
  2. Step 2: Convert to fraction form
    121,040.65/181,570.66 = 36,808.35/x
  3. Step 3: Cross multiply
    121,040.65x = 181,570.66 × 36,808.35
  4. Step 4: Simplify right side
    121,040.65x = 6,683,316,347.81
  5. Step 5: Solve for x
    x = 6,683,316,347.81/121,040.65
  6. Step 6: Final answer
    x = 55,215.47

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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.