Home / 149,898.60-224,811.90-86,581.80

Finding the Fourth Proportional to 149,898.60, 224,811.90 and 86,581.80

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Solution

The fourth proportional to 149,898.60, 224,811.90 and 86,581.80 is: 129,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,898.60 : 224,811.90 = 86,581.80 : x
  2. Step 2: Convert to fraction form
    149,898.60/224,811.90 = 86,581.80/x
  3. Step 3: Cross multiply
    149,898.60x = 224,811.90 × 86,581.80
  4. Step 4: Simplify right side
    149,898.60x = 19,464,618,963.42
  5. Step 5: Solve for x
    x = 19,464,618,963.42/149,898.60
  6. Step 6: Final answer
    x = 129,851.91

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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.