Home / 188,427.60-282,641.40-70,074.45

Finding the Fourth Proportional to 188,427.60, 282,641.40 and 70,074.45

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Solution

The fourth proportional to 188,427.60, 282,641.40 and 70,074.45 is: 105,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,427.60 : 282,641.40 = 70,074.45 : x
  2. Step 2: Convert to fraction form
    188,427.60/282,641.40 = 70,074.45/x
  3. Step 3: Cross multiply
    188,427.60x = 282,641.40 × 70,074.45
  4. Step 4: Simplify right side
    188,427.60x = 19,805,940,652.23
  5. Step 5: Solve for x
    x = 19,805,940,652.23/188,427.60
  6. Step 6: Final answer
    x = 105,111.68

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1.5x scale

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.