Home / 219,688.35-303,162.98-124,189.35

Finding the Fourth Proportional to 219,688.35, 303,162.98 and 124,189.35

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Solution

The fourth proportional to 219,688.35, 303,162.98 and 124,189.35 is: 171,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,688.35 : 303,162.98 = 124,189.35 : x
  2. Step 2: Convert to fraction form
    219,688.35/303,162.98 = 124,189.35/x
  3. Step 3: Cross multiply
    219,688.35x = 303,162.98 × 124,189.35
  4. Step 4: Simplify right side
    219,688.35x = 37,649,613,430.26
  5. Step 5: Solve for x
    x = 37,649,613,430.26/219,688.35
  6. Step 6: Final answer
    x = 171,377.38

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1.5x scale

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.