Home / 166,545.72-249,603.90-145,111.56

Finding the Fourth Proportional to 166,545.72, 249,603.90 and 145,111.56

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Solution

The fourth proportional to 166,545.72, 249,603.90 and 145,111.56 is: 217,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,545.72 : 249,603.90 = 145,111.56 : x
  2. Step 2: Convert to fraction form
    166,545.72/249,603.90 = 145,111.56/x
  3. Step 3: Cross multiply
    166,545.72x = 249,603.90 × 145,111.56
  4. Step 4: Simplify right side
    166,545.72x = 36,220,411,311.08
  5. Step 5: Solve for x
    x = 36,220,411,311.08/166,545.72
  6. Step 6: Final answer
    x = 217,480.29

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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.