Home / 143,222.02-214,831.65-87,077.62

Finding the Fourth Proportional to 143,222.02, 214,831.65 and 87,077.62

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Solution

The fourth proportional to 143,222.02, 214,831.65 and 87,077.62 is: 130,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,222.02 : 214,831.65 = 87,077.62 : x
  2. Step 2: Convert to fraction form
    143,222.02/214,831.65 = 87,077.62/x
  3. Step 3: Cross multiply
    143,222.02x = 214,831.65 × 87,077.62
  4. Step 4: Simplify right side
    143,222.02x = 18,707,028,782.67
  5. Step 5: Solve for x
    x = 18,707,028,782.67/143,222.02
  6. Step 6: Final answer
    x = 130,615.59

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1.5x scale

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.