Home / 118,831.08-163,982.70-71,056.20

Finding the Fourth Proportional to 118,831.08, 163,982.70 and 71,056.20

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Solution

The fourth proportional to 118,831.08, 163,982.70 and 71,056.20 is: 98,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,831.08 : 163,982.70 = 71,056.20 : x
  2. Step 2: Convert to fraction form
    118,831.08/163,982.70 = 71,056.20/x
  3. Step 3: Cross multiply
    118,831.08x = 163,982.70 × 71,056.20
  4. Step 4: Simplify right side
    118,831.08x = 11,651,987,527.74
  5. Step 5: Solve for x
    x = 11,651,987,527.74/118,831.08
  6. Step 6: Final answer
    x = 98,055.05

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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.