Home / 152,650.76-210,414.64-120,332.67

Finding the Fourth Proportional to 152,650.76, 210,414.64 and 120,332.67

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Solution

The fourth proportional to 152,650.76, 210,414.64 and 120,332.67 is: 165,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,650.76 : 210,414.64 = 120,332.67 : x
  2. Step 2: Convert to fraction form
    152,650.76/210,414.64 = 120,332.67/x
  3. Step 3: Cross multiply
    152,650.76x = 210,414.64 × 120,332.67
  4. Step 4: Simplify right side
    152,650.76x = 25,319,754,836.63
  5. Step 5: Solve for x
    x = 25,319,754,836.63/152,650.76
  6. Step 6: Final answer
    x = 165,867.21

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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.