Home / 239,822.48-359,693.40-87,988.16

Finding the Fourth Proportional to 239,822.48, 359,693.40 and 87,988.16

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Solution

The fourth proportional to 239,822.48, 359,693.40 and 87,988.16 is: 131,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,822.48 : 359,693.40 = 87,988.16 : x
  2. Step 2: Convert to fraction form
    239,822.48/359,693.40 = 87,988.16/x
  3. Step 3: Cross multiply
    239,822.48x = 359,693.40 × 87,988.16
  4. Step 4: Simplify right side
    239,822.48x = 31,648,760,430.14
  5. Step 5: Solve for x
    x = 31,648,760,430.14/239,822.48
  6. Step 6: Final answer
    x = 131,967.45

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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.