Home / 152,819.66-210,880.55-84,831.26

Finding the Fourth Proportional to 152,819.66, 210,880.55 and 84,831.26

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Solution

The fourth proportional to 152,819.66, 210,880.55 and 84,831.26 is: 117,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,819.66 : 210,880.55 = 84,831.26 : x
  2. Step 2: Convert to fraction form
    152,819.66/210,880.55 = 84,831.26/x
  3. Step 3: Cross multiply
    152,819.66x = 210,880.55 × 84,831.26
  4. Step 4: Simplify right side
    152,819.66x = 17,889,262,765.99
  5. Step 5: Solve for x
    x = 17,889,262,765.99/152,819.66
  6. Step 6: Final answer
    x = 117,061.27

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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.