Home / 236,742.21-326,703.87-129,312.24

Finding the Fourth Proportional to 236,742.21, 326,703.87 and 129,312.24

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Solution

The fourth proportional to 236,742.21, 326,703.87 and 129,312.24 is: 178,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,742.21 : 326,703.87 = 129,312.24 : x
  2. Step 2: Convert to fraction form
    236,742.21/326,703.87 = 129,312.24/x
  3. Step 3: Cross multiply
    236,742.21x = 326,703.87 × 129,312.24
  4. Step 4: Simplify right side
    236,742.21x = 42,246,809,246.37
  5. Step 5: Solve for x
    x = 42,246,809,246.37/236,742.21
  6. Step 6: Final answer
    x = 178,450.68

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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.