Home / 145,211.26-200,368.04-90,757.01

Finding the Fourth Proportional to 145,211.26, 200,368.04 and 90,757.01

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Solution

The fourth proportional to 145,211.26, 200,368.04 and 90,757.01 is: 125,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,211.26 : 200,368.04 = 90,757.01 : x
  2. Step 2: Convert to fraction form
    145,211.26/200,368.04 = 90,757.01/x
  3. Step 3: Cross multiply
    145,211.26x = 200,368.04 × 90,757.01
  4. Step 4: Simplify right side
    145,211.26x = 18,184,803,768.16
  5. Step 5: Solve for x
    x = 18,184,803,768.16/145,211.26
  6. Step 6: Final answer
    x = 125,229.99

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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.