Home / 190,125.86-262,373.69-105,242.92

Finding the Fourth Proportional to 190,125.86, 262,373.69 and 105,242.92

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Solution

The fourth proportional to 190,125.86, 262,373.69 and 105,242.92 is: 145,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,125.86 : 262,373.69 = 105,242.92 : x
  2. Step 2: Convert to fraction form
    190,125.86/262,373.69 = 105,242.92/x
  3. Step 3: Cross multiply
    190,125.86x = 262,373.69 × 105,242.92
  4. Step 4: Simplify right side
    190,125.86x = 27,612,973,266.77
  5. Step 5: Solve for x
    x = 27,612,973,266.77/190,125.86
  6. Step 6: Final answer
    x = 145,235.23

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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.