Home / 158,127.06-218,085.44-112,790.55

Finding the Fourth Proportional to 158,127.06, 218,085.44 and 112,790.55

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Solution

The fourth proportional to 158,127.06, 218,085.44 and 112,790.55 is: 155,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,127.06 : 218,085.44 = 112,790.55 : x
  2. Step 2: Convert to fraction form
    158,127.06/218,085.44 = 112,790.55/x
  3. Step 3: Cross multiply
    158,127.06x = 218,085.44 × 112,790.55
  4. Step 4: Simplify right side
    158,127.06x = 24,597,976,160.64
  5. Step 5: Solve for x
    x = 24,597,976,160.64/158,127.06
  6. Step 6: Final answer
    x = 155,558.30

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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.