Home / 170,011.90-254,499.45-99,682.30

Finding the Fourth Proportional to 170,011.90, 254,499.45 and 99,682.30

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Solution

The fourth proportional to 170,011.90, 254,499.45 and 99,682.30 is: 149,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,011.90 : 254,499.45 = 99,682.30 : x
  2. Step 2: Convert to fraction form
    170,011.90/254,499.45 = 99,682.30/x
  3. Step 3: Cross multiply
    170,011.90x = 254,499.45 × 99,682.30
  4. Step 4: Simplify right side
    170,011.90x = 25,369,090,524.74
  5. Step 5: Solve for x
    x = 25,369,090,524.74/170,011.90
  6. Step 6: Final answer
    x = 149,219.50

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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.