Home / 236,723.60-355,085.40-70,511.60

Finding the Fourth Proportional to 236,723.60, 355,085.40 and 70,511.60

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Solution

The fourth proportional to 236,723.60, 355,085.40 and 70,511.60 is: 105,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,723.60 : 355,085.40 = 70,511.60 : x
  2. Step 2: Convert to fraction form
    236,723.60/355,085.40 = 70,511.60/x
  3. Step 3: Cross multiply
    236,723.60x = 355,085.40 × 70,511.60
  4. Step 4: Simplify right side
    236,723.60x = 25,037,639,690.64
  5. Step 5: Solve for x
    x = 25,037,639,690.64/236,723.60
  6. Step 6: Final answer
    x = 105,767.40

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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.