Home / 162,075.13-243,034.90-76,614.86

Finding the Fourth Proportional to 162,075.13, 243,034.90 and 76,614.86

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Solution

The fourth proportional to 162,075.13, 243,034.90 and 76,614.86 is: 114,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,075.13 : 243,034.90 = 76,614.86 : x
  2. Step 2: Convert to fraction form
    162,075.13/243,034.90 = 76,614.86/x
  3. Step 3: Cross multiply
    162,075.13x = 243,034.90 × 76,614.86
  4. Step 4: Simplify right side
    162,075.13x = 18,620,085,254.66
  5. Step 5: Solve for x
    x = 18,620,085,254.66/162,075.13
  6. Step 6: Final answer
    x = 114,885.52

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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.