Home / 197,758.81-272,831.85-146,199.70

Finding the Fourth Proportional to 197,758.81, 272,831.85 and 146,199.70

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Solution

The fourth proportional to 197,758.81, 272,831.85 and 146,199.70 is: 201,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,758.81 : 272,831.85 = 146,199.70 : x
  2. Step 2: Convert to fraction form
    197,758.81/272,831.85 = 146,199.70/x
  3. Step 3: Cross multiply
    197,758.81x = 272,831.85 × 146,199.70
  4. Step 4: Simplify right side
    197,758.81x = 39,887,933,938.37
  5. Step 5: Solve for x
    x = 39,887,933,938.37/197,758.81
  6. Step 6: Final answer
    x = 201,699.91

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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.