Home / 151,368.48-208,972.31-90,953.82

Finding the Fourth Proportional to 151,368.48, 208,972.31 and 90,953.82

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Solution

The fourth proportional to 151,368.48, 208,972.31 and 90,953.82 is: 125,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,368.48 : 208,972.31 = 90,953.82 : x
  2. Step 2: Convert to fraction form
    151,368.48/208,972.31 = 90,953.82/x
  3. Step 3: Cross multiply
    151,368.48x = 208,972.31 × 90,953.82
  4. Step 4: Simplify right side
    151,368.48x = 19,006,829,413.96
  5. Step 5: Solve for x
    x = 19,006,829,413.96/151,368.48
  6. Step 6: Final answer
    x = 125,566.63

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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.