Home / 190,320.48-262,623.48-108,649.76

Finding the Fourth Proportional to 190,320.48, 262,623.48 and 108,649.76

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Solution

The fourth proportional to 190,320.48, 262,623.48 and 108,649.76 is: 149,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,320.48 : 262,623.48 = 108,649.76 : x
  2. Step 2: Convert to fraction form
    190,320.48/262,623.48 = 108,649.76/x
  3. Step 3: Cross multiply
    190,320.48x = 262,623.48 × 108,649.76
  4. Step 4: Simplify right side
    190,320.48x = 28,533,978,072.36
  5. Step 5: Solve for x
    x = 28,533,978,072.36/190,320.48
  6. Step 6: Final answer
    x = 149,925.95

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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.