Home / 145,410.30-218,115.45-134,912.70

Finding the Fourth Proportional to 145,410.30, 218,115.45 and 134,912.70

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Solution

The fourth proportional to 145,410.30, 218,115.45 and 134,912.70 is: 202,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,410.30 : 218,115.45 = 134,912.70 : x
  2. Step 2: Convert to fraction form
    145,410.30/218,115.45 = 134,912.70/x
  3. Step 3: Cross multiply
    145,410.30x = 218,115.45 × 134,912.70
  4. Step 4: Simplify right side
    145,410.30x = 29,426,544,271.22
  5. Step 5: Solve for x
    x = 29,426,544,271.22/145,410.30
  6. Step 6: Final answer
    x = 202,369.05

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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.