Home / 247,831.12-342,013.64-145,863.76

Finding the Fourth Proportional to 247,831.12, 342,013.64 and 145,863.76

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Solution

The fourth proportional to 247,831.12, 342,013.64 and 145,863.76 is: 201,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,831.12 : 342,013.64 = 145,863.76 : x
  2. Step 2: Convert to fraction form
    247,831.12/342,013.64 = 145,863.76/x
  3. Step 3: Cross multiply
    247,831.12x = 342,013.64 × 145,863.76
  4. Step 4: Simplify right side
    247,831.12x = 49,887,395,501.69
  5. Step 5: Solve for x
    x = 49,887,395,501.69/247,831.12
  6. Step 6: Final answer
    x = 201,295.93

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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.