Home / 145,918.22-201,364.45-82,256.07

Finding the Fourth Proportional to 145,918.22, 201,364.45 and 82,256.07

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Solution

The fourth proportional to 145,918.22, 201,364.45 and 82,256.07 is: 113,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,918.22 : 201,364.45 = 82,256.07 : x
  2. Step 2: Convert to fraction form
    145,918.22/201,364.45 = 82,256.07/x
  3. Step 3: Cross multiply
    145,918.22x = 201,364.45 × 82,256.07
  4. Step 4: Simplify right side
    145,918.22x = 16,563,448,294.71
  5. Step 5: Solve for x
    x = 16,563,448,294.71/145,918.22
  6. Step 6: Final answer
    x = 113,511.86

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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.