Home / 109,907.40-164,423.70-95,278.80

Finding the Fourth Proportional to 109,907.40, 164,423.70 and 95,278.80

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Solution

The fourth proportional to 109,907.40, 164,423.70 and 95,278.80 is: 142,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,907.40 : 164,423.70 = 95,278.80 : x
  2. Step 2: Convert to fraction form
    109,907.40/164,423.70 = 95,278.80/x
  3. Step 3: Cross multiply
    109,907.40x = 164,423.70 × 95,278.80
  4. Step 4: Simplify right side
    109,907.40x = 15,666,092,827.56
  5. Step 5: Solve for x
    x = 15,666,092,827.56/109,907.40
  6. Step 6: Final answer
    x = 142,539.02

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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.