Home / 114,946.25-158,698.70-78,708.33

Finding the Fourth Proportional to 114,946.25, 158,698.70 and 78,708.33

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Solution

The fourth proportional to 114,946.25, 158,698.70 and 78,708.33 is: 108,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,946.25 : 158,698.70 = 78,708.33 : x
  2. Step 2: Convert to fraction form
    114,946.25/158,698.70 = 78,708.33/x
  3. Step 3: Cross multiply
    114,946.25x = 158,698.70 × 78,708.33
  4. Step 4: Simplify right side
    114,946.25x = 12,490,909,256.63
  5. Step 5: Solve for x
    x = 12,490,909,256.63/114,946.25
  6. Step 6: Final answer
    x = 108,667.40

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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.