Home / 149,511.40-224,267.10-129,828.40

Finding the Fourth Proportional to 149,511.40, 224,267.10 and 129,828.40

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Solution

The fourth proportional to 149,511.40, 224,267.10 and 129,828.40 is: 194,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,511.40 : 224,267.10 = 129,828.40 : x
  2. Step 2: Convert to fraction form
    149,511.40/224,267.10 = 129,828.40/x
  3. Step 3: Cross multiply
    149,511.40x = 224,267.10 × 129,828.40
  4. Step 4: Simplify right side
    149,511.40x = 29,116,238,765.64
  5. Step 5: Solve for x
    x = 29,116,238,765.64/149,511.40
  6. Step 6: Final answer
    x = 194,742.60

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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.