Home / 145,439.22-218,069.46-56,589.12

Finding the Fourth Proportional to 145,439.22, 218,069.46 and 56,589.12

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Solution

The fourth proportional to 145,439.22, 218,069.46 and 56,589.12 is: 84,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,439.22 : 218,069.46 = 56,589.12 : x
  2. Step 2: Convert to fraction form
    145,439.22/218,069.46 = 56,589.12/x
  3. Step 3: Cross multiply
    145,439.22x = 218,069.46 × 56,589.12
  4. Step 4: Simplify right side
    145,439.22x = 12,340,358,840.28
  5. Step 5: Solve for x
    x = 12,340,358,840.28/145,439.22
  6. Step 6: Final answer
    x = 84,848.91

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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.