Home / 121,831.63-182,778.62-46,931.67

Finding the Fourth Proportional to 121,831.63, 182,778.62 and 46,931.67

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Solution

The fourth proportional to 121,831.63, 182,778.62 and 46,931.67 is: 70,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,831.63 : 182,778.62 = 46,931.67 : x
  2. Step 2: Convert to fraction form
    121,831.63/182,778.62 = 46,931.67/x
  3. Step 3: Cross multiply
    121,831.63x = 182,778.62 × 46,931.67
  4. Step 4: Simplify right side
    121,831.63x = 8,578,105,876.90
  5. Step 5: Solve for x
    x = 8,578,105,876.90/121,831.63
  6. Step 6: Final answer
    x = 70,409.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.