Home / 145,588.38-218,252.70-56,821.26

Finding the Fourth Proportional to 145,588.38, 218,252.70 and 56,821.26

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Solution

The fourth proportional to 145,588.38, 218,252.70 and 56,821.26 is: 85,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,588.38 : 218,252.70 = 56,821.26 : x
  2. Step 2: Convert to fraction form
    145,588.38/218,252.70 = 56,821.26/x
  3. Step 3: Cross multiply
    145,588.38x = 218,252.70 × 56,821.26
  4. Step 4: Simplify right side
    145,588.38x = 12,401,393,412.40
  5. Step 5: Solve for x
    x = 12,401,393,412.40/145,588.38
  6. Step 6: Final answer
    x = 85,181.20

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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.