Home / 145,586.20-218,378.02-40,405.18

Finding the Fourth Proportional to 145,586.20, 218,378.02 and 40,405.18

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Solution

The fourth proportional to 145,586.20, 218,378.02 and 40,405.18 is: 60,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,586.20 : 218,378.02 = 40,405.18 : x
  2. Step 2: Convert to fraction form
    145,586.20/218,378.02 = 40,405.18/x
  3. Step 3: Cross multiply
    145,586.20x = 218,378.02 × 40,405.18
  4. Step 4: Simplify right side
    145,586.20x = 8,823,603,206.14
  5. Step 5: Solve for x
    x = 8,823,603,206.14/145,586.20
  6. Step 6: Final answer
    x = 60,607.41

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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.