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Finding the Fourth Proportional to 145,094.72, 200,310.16 and 101,554.28

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Solution

The fourth proportional to 145,094.72, 200,310.16 and 101,554.28 is: 140,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,094.72 : 200,310.16 = 101,554.28 : x
  2. Step 2: Convert to fraction form
    145,094.72/200,310.16 = 101,554.28/x
  3. Step 3: Cross multiply
    145,094.72x = 200,310.16 × 101,554.28
  4. Step 4: Simplify right side
    145,094.72x = 20,342,354,703.20
  5. Step 5: Solve for x
    x = 20,342,354,703.20/145,094.72
  6. Step 6: Final answer
    x = 140,200.52

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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.