Home / 153,571.48-211,831.60-105,741.76

Finding the Fourth Proportional to 153,571.48, 211,831.60 and 105,741.76

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Solution

The fourth proportional to 153,571.48, 211,831.60 and 105,741.76 is: 145,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,571.48 : 211,831.60 = 105,741.76 : x
  2. Step 2: Convert to fraction form
    153,571.48/211,831.60 = 105,741.76/x
  3. Step 3: Cross multiply
    153,571.48x = 211,831.60 × 105,741.76
  4. Step 4: Simplify right side
    153,571.48x = 22,399,446,207.62
  5. Step 5: Solve for x
    x = 22,399,446,207.62/153,571.48
  6. Step 6: Final answer
    x = 145,856.81

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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.