Home / 149,473.04-224,267.88-86,259.78

Finding the Fourth Proportional to 149,473.04, 224,267.88 and 86,259.78

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Solution

The fourth proportional to 149,473.04, 224,267.88 and 86,259.78 is: 129,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,473.04 : 224,267.88 = 86,259.78 : x
  2. Step 2: Convert to fraction form
    149,473.04/224,267.88 = 86,259.78/x
  3. Step 3: Cross multiply
    149,473.04x = 224,267.88 × 86,259.78
  4. Step 4: Simplify right side
    149,473.04x = 19,345,297,989.87
  5. Step 5: Solve for x
    x = 19,345,297,989.87/149,473.04
  6. Step 6: Final answer
    x = 129,423.33

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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.