Home / 103,500.40-155,250.60-102,844.30

Finding the Fourth Proportional to 103,500.40, 155,250.60 and 102,844.30

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Solution

The fourth proportional to 103,500.40, 155,250.60 and 102,844.30 is: 154,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,500.40 : 155,250.60 = 102,844.30 : x
  2. Step 2: Convert to fraction form
    103,500.40/155,250.60 = 102,844.30/x
  3. Step 3: Cross multiply
    103,500.40x = 155,250.60 × 102,844.30
  4. Step 4: Simplify right side
    103,500.40x = 15,966,639,281.58
  5. Step 5: Solve for x
    x = 15,966,639,281.58/103,500.40
  6. Step 6: Final answer
    x = 154,266.45

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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.