Home / 190,659.60-286,013.70-72,364.77

Finding the Fourth Proportional to 190,659.60, 286,013.70 and 72,364.77

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Solution

The fourth proportional to 190,659.60, 286,013.70 and 72,364.77 is: 108,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,659.60 : 286,013.70 = 72,364.77 : x
  2. Step 2: Convert to fraction form
    190,659.60/286,013.70 = 72,364.77/x
  3. Step 3: Cross multiply
    190,659.60x = 286,013.70 × 72,364.77
  4. Step 4: Simplify right side
    190,659.60x = 20,697,315,617.35
  5. Step 5: Solve for x
    x = 20,697,315,617.35/190,659.60
  6. Step 6: Final answer
    x = 108,556.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.