Home / 150,748.30-208,035.93-86,223.50

Finding the Fourth Proportional to 150,748.30, 208,035.93 and 86,223.50

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Solution

The fourth proportional to 150,748.30, 208,035.93 and 86,223.50 is: 118,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,748.30 : 208,035.93 = 86,223.50 : x
  2. Step 2: Convert to fraction form
    150,748.30/208,035.93 = 86,223.50/x
  3. Step 3: Cross multiply
    150,748.30x = 208,035.93 × 86,223.50
  4. Step 4: Simplify right side
    150,748.30x = 17,937,586,010.36
  5. Step 5: Solve for x
    x = 17,937,586,010.36/150,748.30
  6. Step 6: Final answer
    x = 118,990.30

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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.