Home / 190,148.70-262,403.55-105,263.58

Finding the Fourth Proportional to 190,148.70, 262,403.55 and 105,263.58

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Solution

The fourth proportional to 190,148.70, 262,403.55 and 105,263.58 is: 145,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,148.70 : 262,403.55 = 105,263.58 : x
  2. Step 2: Convert to fraction form
    190,148.70/262,403.55 = 105,263.58/x
  3. Step 3: Cross multiply
    190,148.70x = 262,403.55 × 105,263.58
  4. Step 4: Simplify right side
    190,148.70x = 27,621,537,077.71
  5. Step 5: Solve for x
    x = 27,621,537,077.71/190,148.70
  6. Step 6: Final answer
    x = 145,262.82

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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.