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Finding the Fourth Proportional to 166,416.40, 249,624.60 and 146,733.40

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Solution

The fourth proportional to 166,416.40, 249,624.60 and 146,733.40 is: 220,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,416.40 : 249,624.60 = 146,733.40 : x
  2. Step 2: Convert to fraction form
    166,416.40/249,624.60 = 146,733.40/x
  3. Step 3: Cross multiply
    166,416.40x = 249,624.60 × 146,733.40
  4. Step 4: Simplify right side
    166,416.40x = 36,628,266,281.64
  5. Step 5: Solve for x
    x = 36,628,266,281.64/166,416.40
  6. Step 6: Final answer
    x = 220,100.10

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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.