Home / 140,053.52-210,107.59-45,307.19

Finding the Fourth Proportional to 140,053.52, 210,107.59 and 45,307.19

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Solution

The fourth proportional to 140,053.52, 210,107.59 and 45,307.19 is: 67,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,053.52 : 210,107.59 = 45,307.19 : x
  2. Step 2: Convert to fraction form
    140,053.52/210,107.59 = 45,307.19/x
  3. Step 3: Cross multiply
    140,053.52x = 210,107.59 × 45,307.19
  4. Step 4: Simplify right side
    140,053.52x = 9,519,383,336.77
  5. Step 5: Solve for x
    x = 9,519,383,336.77/140,053.52
  6. Step 6: Final answer
    x = 67,969.61

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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.