Home / 113,359.14-156,407.28-73,024.38

Finding the Fourth Proportional to 113,359.14, 156,407.28 and 73,024.38

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Solution

The fourth proportional to 113,359.14, 156,407.28 and 73,024.38 is: 100,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,359.14 : 156,407.28 = 73,024.38 : x
  2. Step 2: Convert to fraction form
    113,359.14/156,407.28 = 73,024.38/x
  3. Step 3: Cross multiply
    113,359.14x = 156,407.28 × 73,024.38
  4. Step 4: Simplify right side
    113,359.14x = 11,421,544,649.49
  5. Step 5: Solve for x
    x = 11,421,544,649.49/113,359.14
  6. Step 6: Final answer
    x = 100,755.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.