Home / 228,031.86-314,668.92-131,220.07

Finding the Fourth Proportional to 228,031.86, 314,668.92 and 131,220.07

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Solution

The fourth proportional to 228,031.86, 314,668.92 and 131,220.07 is: 181,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,031.86 : 314,668.92 = 131,220.07 : x
  2. Step 2: Convert to fraction form
    228,031.86/314,668.92 = 131,220.07/x
  3. Step 3: Cross multiply
    228,031.86x = 314,668.92 × 131,220.07
  4. Step 4: Simplify right side
    228,031.86x = 41,290,876,676.51
  5. Step 5: Solve for x
    x = 41,290,876,676.51/228,031.86
  6. Step 6: Final answer
    x = 181,075.03

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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.