Home / 86,187.69-118,941.44-47,948.46

Finding the Fourth Proportional to 86,187.69, 118,941.44 and 47,948.46

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Solution

The fourth proportional to 86,187.69, 118,941.44 and 47,948.46 is: 66,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,187.69 : 118,941.44 = 47,948.46 : x
  2. Step 2: Convert to fraction form
    86,187.69/118,941.44 = 47,948.46/x
  3. Step 3: Cross multiply
    86,187.69x = 118,941.44 × 47,948.46
  4. Step 4: Simplify right side
    86,187.69x = 5,703,058,878.18
  5. Step 5: Solve for x
    x = 5,703,058,878.18/86,187.69
  6. Step 6: Final answer
    x = 66,170.23

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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.