Home / 101,330.07-139,852.89-58,913.25

Finding the Fourth Proportional to 101,330.07, 139,852.89 and 58,913.25

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Solution

The fourth proportional to 101,330.07, 139,852.89 and 58,913.25 is: 81,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,330.07 : 139,852.89 = 58,913.25 : x
  2. Step 2: Convert to fraction form
    101,330.07/139,852.89 = 58,913.25/x
  3. Step 3: Cross multiply
    101,330.07x = 139,852.89 × 58,913.25
  4. Step 4: Simplify right side
    101,330.07x = 8,239,188,271.79
  5. Step 5: Solve for x
    x = 8,239,188,271.79/101,330.07
  6. Step 6: Final answer
    x = 81,310.40

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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.