Home / 190,005.34-262,200.15-105,125.98

Finding the Fourth Proportional to 190,005.34, 262,200.15 and 105,125.98

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Solution

The fourth proportional to 190,005.34, 262,200.15 and 105,125.98 is: 145,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,005.34 : 262,200.15 = 105,125.98 : x
  2. Step 2: Convert to fraction form
    190,005.34/262,200.15 = 105,125.98/x
  3. Step 3: Cross multiply
    190,005.34x = 262,200.15 × 105,125.98
  4. Step 4: Simplify right side
    190,005.34x = 27,564,047,724.90
  5. Step 5: Solve for x
    x = 27,564,047,724.90/190,005.34
  6. Step 6: Final answer
    x = 145,069.86

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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.