Home / 210,524.42-290,525.74-115,031.10

Finding the Fourth Proportional to 210,524.42, 290,525.74 and 115,031.10

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Solution

The fourth proportional to 210,524.42, 290,525.74 and 115,031.10 is: 158,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,524.42 : 290,525.74 = 115,031.10 : x
  2. Step 2: Convert to fraction form
    210,524.42/290,525.74 = 115,031.10/x
  3. Step 3: Cross multiply
    210,524.42x = 290,525.74 × 115,031.10
  4. Step 4: Simplify right side
    210,524.42x = 33,419,495,450.51
  5. Step 5: Solve for x
    x = 33,419,495,450.51/210,524.42
  6. Step 6: Final answer
    x = 158,744.03

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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.