Home / 180,290.90-248,779.59-99,707.45

Finding the Fourth Proportional to 180,290.90, 248,779.59 and 99,707.45

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Solution

The fourth proportional to 180,290.90, 248,779.59 and 99,707.45 is: 137,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,290.90 : 248,779.59 = 99,707.45 : x
  2. Step 2: Convert to fraction form
    180,290.90/248,779.59 = 99,707.45/x
  3. Step 3: Cross multiply
    180,290.90x = 248,779.59 × 99,707.45
  4. Step 4: Simplify right side
    180,290.90x = 24,805,177,287.05
  5. Step 5: Solve for x
    x = 24,805,177,287.05/180,290.90
  6. Step 6: Final answer
    x = 137,584.19

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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.