Home / 112,716.48-155,548.74-62,415.48

Finding the Fourth Proportional to 112,716.48, 155,548.74 and 62,415.48

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Solution

The fourth proportional to 112,716.48, 155,548.74 and 62,415.48 is: 86,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.48 : 155,548.74 = 62,415.48 : x
  2. Step 2: Convert to fraction form
    112,716.48/155,548.74 = 62,415.48/x
  3. Step 3: Cross multiply
    112,716.48x = 155,548.74 × 62,415.48
  4. Step 4: Simplify right side
    112,716.48x = 9,708,649,270.50
  5. Step 5: Solve for x
    x = 9,708,649,270.50/112,716.48
  6. Step 6: Final answer
    x = 86,133.36

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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.