Home / 103,586.23-155,461.35-40,436.60

Finding the Fourth Proportional to 103,586.23, 155,461.35 and 40,436.60

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Solution

The fourth proportional to 103,586.23, 155,461.35 and 40,436.60 is: 60,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586.23 : 155,461.35 = 40,436.60 : x
  2. Step 2: Convert to fraction form
    103,586.23/155,461.35 = 40,436.60/x
  3. Step 3: Cross multiply
    103,586.23x = 155,461.35 × 40,436.60
  4. Step 4: Simplify right side
    103,586.23x = 6,286,328,425.41
  5. Step 5: Solve for x
    x = 6,286,328,425.41/103,586.23
  6. Step 6: Final answer
    x = 60,686.91

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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.