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Finding the Fourth Proportional to 158,283.40, 237,425.10 and 47,475.40

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Solution

The fourth proportional to 158,283.40, 237,425.10 and 47,475.40 is: 71,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,283.40 : 237,425.10 = 47,475.40 : x
  2. Step 2: Convert to fraction form
    158,283.40/237,425.10 = 47,475.40/x
  3. Step 3: Cross multiply
    158,283.40x = 237,425.10 × 47,475.40
  4. Step 4: Simplify right side
    158,283.40x = 11,271,851,592.54
  5. Step 5: Solve for x
    x = 11,271,851,592.54/158,283.40
  6. Step 6: Final answer
    x = 71,213.10

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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.