Home / 103,275.36-154,715.57-69,831.27

Finding the Fourth Proportional to 103,275.36, 154,715.57 and 69,831.27

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Solution

The fourth proportional to 103,275.36, 154,715.57 and 69,831.27 is: 104,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,275.36 : 154,715.57 = 69,831.27 : x
  2. Step 2: Convert to fraction form
    103,275.36/154,715.57 = 69,831.27/x
  3. Step 3: Cross multiply
    103,275.36x = 154,715.57 × 69,831.27
  4. Step 4: Simplify right side
    103,275.36x = 10,803,984,741.87
  5. Step 5: Solve for x
    x = 10,803,984,741.87/103,275.36
  6. Step 6: Final answer
    x = 104,613.38

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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.