Home / 145,751.38-201,101.72-82,089.16

Finding the Fourth Proportional to 145,751.38, 201,101.72 and 82,089.16

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Solution

The fourth proportional to 145,751.38, 201,101.72 and 82,089.16 is: 113,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,751.38 : 201,101.72 = 82,089.16 : x
  2. Step 2: Convert to fraction form
    145,751.38/201,101.72 = 82,089.16/x
  3. Step 3: Cross multiply
    145,751.38x = 201,101.72 × 82,089.16
  4. Step 4: Simplify right side
    145,751.38x = 16,508,271,269.36
  5. Step 5: Solve for x
    x = 16,508,271,269.36/145,751.38
  6. Step 6: Final answer
    x = 113,263.22

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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.