Home / 96,235.95-144,080.55-90,999.30

Finding the Fourth Proportional to 96,235.95, 144,080.55 and 90,999.30

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Solution

The fourth proportional to 96,235.95, 144,080.55 and 90,999.30 is: 136,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,235.95 : 144,080.55 = 90,999.30 : x
  2. Step 2: Convert to fraction form
    96,235.95/144,080.55 = 90,999.30/x
  3. Step 3: Cross multiply
    96,235.95x = 144,080.55 × 90,999.30
  4. Step 4: Simplify right side
    96,235.95x = 13,111,229,193.62
  5. Step 5: Solve for x
    x = 13,111,229,193.62/96,235.95
  6. Step 6: Final answer
    x = 136,240.45

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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.