Home / 151,263.95-208,749.24-83,285.91

Finding the Fourth Proportional to 151,263.95, 208,749.24 and 83,285.91

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Solution

The fourth proportional to 151,263.95, 208,749.24 and 83,285.91 is: 114,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,263.95 : 208,749.24 = 83,285.91 : x
  2. Step 2: Convert to fraction form
    151,263.95/208,749.24 = 83,285.91/x
  3. Step 3: Cross multiply
    151,263.95x = 208,749.24 × 83,285.91
  4. Step 4: Simplify right side
    151,263.95x = 17,385,870,415.21
  5. Step 5: Solve for x
    x = 17,385,870,415.21/151,263.95
  6. Step 6: Final answer
    x = 114,937.31

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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.