Home / 103,085.71-142,258.30-62,799.46

Finding the Fourth Proportional to 103,085.71, 142,258.30 and 62,799.46

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Solution

The fourth proportional to 103,085.71, 142,258.30 and 62,799.46 is: 86,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,085.71 : 142,258.30 = 62,799.46 : x
  2. Step 2: Convert to fraction form
    103,085.71/142,258.30 = 62,799.46/x
  3. Step 3: Cross multiply
    103,085.71x = 142,258.30 × 62,799.46
  4. Step 4: Simplify right side
    103,085.71x = 8,933,743,907.87
  5. Step 5: Solve for x
    x = 8,933,743,907.87/103,085.71
  6. Step 6: Final answer
    x = 86,663.26

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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.