Home / 128,570.60-177,336.33-110,634.77

Finding the Fourth Proportional to 128,570.60, 177,336.33 and 110,634.77

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Solution

The fourth proportional to 128,570.60, 177,336.33 and 110,634.77 is: 152,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,570.60 : 177,336.33 = 110,634.77 : x
  2. Step 2: Convert to fraction form
    128,570.60/177,336.33 = 110,634.77/x
  3. Step 3: Cross multiply
    128,570.60x = 177,336.33 × 110,634.77
  4. Step 4: Simplify right side
    128,570.60x = 19,619,564,082.19
  5. Step 5: Solve for x
    x = 19,619,564,082.19/128,570.60
  6. Step 6: Final answer
    x = 152,597.59

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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.