Home / 236,715.57-326,674.56-129,290.67

Finding the Fourth Proportional to 236,715.57, 326,674.56 and 129,290.67

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Solution

The fourth proportional to 236,715.57, 326,674.56 and 129,290.67 is: 178,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,715.57 : 326,674.56 = 129,290.67 : x
  2. Step 2: Convert to fraction form
    236,715.57/326,674.56 = 129,290.67/x
  3. Step 3: Cross multiply
    236,715.57x = 326,674.56 × 129,290.67
  4. Step 4: Simplify right side
    236,715.57x = 42,235,971,637.00
  5. Step 5: Solve for x
    x = 42,235,971,637.00/236,715.57
  6. Step 6: Final answer
    x = 178,424.98

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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.