Home / 160,629.84-221,666.58-89,009.64

Finding the Fourth Proportional to 160,629.84, 221,666.58 and 89,009.64

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Solution

The fourth proportional to 160,629.84, 221,666.58 and 89,009.64 is: 122,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,629.84 : 221,666.58 = 89,009.64 : x
  2. Step 2: Convert to fraction form
    160,629.84/221,666.58 = 89,009.64/x
  3. Step 3: Cross multiply
    160,629.84x = 221,666.58 × 89,009.64
  4. Step 4: Simplify right side
    160,629.84x = 19,730,462,485.83
  5. Step 5: Solve for x
    x = 19,730,462,485.83/160,629.84
  6. Step 6: Final answer
    x = 122,831.86

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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.