Home / 210,273.04-290,133.48-120,831.76

Finding the Fourth Proportional to 210,273.04, 290,133.48 and 120,831.76

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Solution

The fourth proportional to 210,273.04, 290,133.48 and 120,831.76 is: 166,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,273.04 : 290,133.48 = 120,831.76 : x
  2. Step 2: Convert to fraction form
    210,273.04/290,133.48 = 120,831.76/x
  3. Step 3: Cross multiply
    210,273.04x = 290,133.48 × 120,831.76
  4. Step 4: Simplify right side
    210,273.04x = 35,057,339,023.32
  5. Step 5: Solve for x
    x = 35,057,339,023.32/210,273.04
  6. Step 6: Final answer
    x = 166,722.94

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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.