Home / 166,205.40-249,308.10-139,961.40

Finding the Fourth Proportional to 166,205.40, 249,308.10 and 139,961.40

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Solution

The fourth proportional to 166,205.40, 249,308.10 and 139,961.40 is: 209,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,205.40 : 249,308.10 = 139,961.40 : x
  2. Step 2: Convert to fraction form
    166,205.40/249,308.10 = 139,961.40/x
  3. Step 3: Cross multiply
    166,205.40x = 249,308.10 × 139,961.40
  4. Step 4: Simplify right side
    166,205.40x = 34,893,510,707.34
  5. Step 5: Solve for x
    x = 34,893,510,707.34/166,205.40
  6. Step 6: Final answer
    x = 209,942.10

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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.