Home / 157,216.10-235,608.15-100,883.30

Finding the Fourth Proportional to 157,216.10, 235,608.15 and 100,883.30

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Solution

The fourth proportional to 157,216.10, 235,608.15 and 100,883.30 is: 151,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,216.10 : 235,608.15 = 100,883.30 : x
  2. Step 2: Convert to fraction form
    157,216.10/235,608.15 = 100,883.30/x
  3. Step 3: Cross multiply
    157,216.10x = 235,608.15 × 100,883.30
  4. Step 4: Simplify right side
    157,216.10x = 23,768,927,678.90
  5. Step 5: Solve for x
    x = 23,768,927,678.90/157,216.10
  6. Step 6: Final answer
    x = 151,186.35

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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.