Home / 103,683.10-155,524.65-64,284.70

Finding the Fourth Proportional to 103,683.10, 155,524.65 and 64,284.70

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Solution

The fourth proportional to 103,683.10, 155,524.65 and 64,284.70 is: 96,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.10 : 155,524.65 = 64,284.70 : x
  2. Step 2: Convert to fraction form
    103,683.10/155,524.65 = 64,284.70/x
  3. Step 3: Cross multiply
    103,683.10x = 155,524.65 × 64,284.70
  4. Step 4: Simplify right side
    103,683.10x = 9,997,855,467.86
  5. Step 5: Solve for x
    x = 9,997,855,467.86/103,683.10
  6. Step 6: Final answer
    x = 96,427.05

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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.