Home / 223,019.18-307,768.74-121,045.52

Finding the Fourth Proportional to 223,019.18, 307,768.74 and 121,045.52

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Solution

The fourth proportional to 223,019.18, 307,768.74 and 121,045.52 is: 167,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,019.18 : 307,768.74 = 121,045.52 : x
  2. Step 2: Convert to fraction form
    223,019.18/307,768.74 = 121,045.52/x
  3. Step 3: Cross multiply
    223,019.18x = 307,768.74 × 121,045.52
  4. Step 4: Simplify right side
    223,019.18x = 37,254,027,173.04
  5. Step 5: Solve for x
    x = 37,254,027,173.04/223,019.18
  6. Step 6: Final answer
    x = 167,044.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.