Home / 120,852.39-181,317.32-49,808.30

Finding the Fourth Proportional to 120,852.39, 181,317.32 and 49,808.30

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Solution

The fourth proportional to 120,852.39, 181,317.32 and 49,808.30 is: 74,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852.39 : 181,317.32 = 49,808.30 : x
  2. Step 2: Convert to fraction form
    120,852.39/181,317.32 = 49,808.30/x
  3. Step 3: Cross multiply
    120,852.39x = 181,317.32 × 49,808.30
  4. Step 4: Simplify right side
    120,852.39x = 9,031,106,314.13
  5. Step 5: Solve for x
    x = 9,031,106,314.13/120,852.39
  6. Step 6: Final answer
    x = 74,728.40

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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.