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Finding the Fourth Proportional to 101,000.40, 151,280.28 and 83,271.12

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Solution

The fourth proportional to 101,000.40, 151,280.28 and 83,271.12 is: 124,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,000.40 : 151,280.28 = 83,271.12 : x
  2. Step 2: Convert to fraction form
    101,000.40/151,280.28 = 83,271.12/x
  3. Step 3: Cross multiply
    101,000.40x = 151,280.28 × 83,271.12
  4. Step 4: Simplify right side
    101,000.40x = 12,597,278,349.51
  5. Step 5: Solve for x
    x = 12,597,278,349.51/101,000.40
  6. Step 6: Final answer
    x = 124,725.03

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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.