Home / 159,270.93-219,702.47-99,551.25

Finding the Fourth Proportional to 159,270.93, 219,702.47 and 99,551.25

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Solution

The fourth proportional to 159,270.93, 219,702.47 and 99,551.25 is: 137,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,270.93 : 219,702.47 = 99,551.25 : x
  2. Step 2: Convert to fraction form
    159,270.93/219,702.47 = 99,551.25/x
  3. Step 3: Cross multiply
    159,270.93x = 219,702.47 × 99,551.25
  4. Step 4: Simplify right side
    159,270.93x = 21,871,655,018.83
  5. Step 5: Solve for x
    x = 21,871,655,018.83/159,270.93
  6. Step 6: Final answer
    x = 137,323.58

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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.