Home / 190,911.40-286,658.70-146,588.20

Finding the Fourth Proportional to 190,911.40, 286,658.70 and 146,588.20

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Solution

The fourth proportional to 190,911.40, 286,658.70 and 146,588.20 is: 220,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,911.40 : 286,658.70 = 146,588.20 : x
  2. Step 2: Convert to fraction form
    190,911.40/286,658.70 = 146,588.20/x
  3. Step 3: Cross multiply
    190,911.40x = 286,658.70 × 146,588.20
  4. Step 4: Simplify right side
    190,911.40x = 42,020,782,847.34
  5. Step 5: Solve for x
    x = 42,020,782,847.34/190,911.40
  6. Step 6: Final answer
    x = 220,106.20

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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.