Home / 105,014.99-157,475.10-30,117.94

Finding the Fourth Proportional to 105,014.99, 157,475.10 and 30,117.94

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Solution

The fourth proportional to 105,014.99, 157,475.10 and 30,117.94 is: 45,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014.99 : 157,475.10 = 30,117.94 : x
  2. Step 2: Convert to fraction form
    105,014.99/157,475.10 = 30,117.94/x
  3. Step 3: Cross multiply
    105,014.99x = 157,475.10 × 30,117.94
  4. Step 4: Simplify right side
    105,014.99x = 4,742,825,613.29
  5. Step 5: Solve for x
    x = 4,742,825,613.29/105,014.99
  6. Step 6: Final answer
    x = 45,163.32

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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.