Home / 157,450.14-236,153.10-45,139.95

Finding the Fourth Proportional to 157,450.14, 236,153.10 and 45,139.95

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Solution

The fourth proportional to 157,450.14, 236,153.10 and 45,139.95 is: 67,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,450.14 : 236,153.10 = 45,139.95 : x
  2. Step 2: Convert to fraction form
    157,450.14/236,153.10 = 45,139.95/x
  3. Step 3: Cross multiply
    157,450.14x = 236,153.10 × 45,139.95
  4. Step 4: Simplify right side
    157,450.14x = 10,659,939,126.35
  5. Step 5: Solve for x
    x = 10,659,939,126.35/157,450.14
  6. Step 6: Final answer
    x = 67,703.59

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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.