Home / 145,722.33-201,097.23-84,480.45

Finding the Fourth Proportional to 145,722.33, 201,097.23 and 84,480.45

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Solution

The fourth proportional to 145,722.33, 201,097.23 and 84,480.45 is: 116,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,722.33 : 201,097.23 = 84,480.45 : x
  2. Step 2: Convert to fraction form
    145,722.33/201,097.23 = 84,480.45/x
  3. Step 3: Cross multiply
    145,722.33x = 201,097.23 × 84,480.45
  4. Step 4: Simplify right side
    145,722.33x = 16,988,784,484.15
  5. Step 5: Solve for x
    x = 16,988,784,484.15/145,722.33
  6. Step 6: Final answer
    x = 116,583.26

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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.