Home / 145,391.14-200,637.16-88,802.52

Finding the Fourth Proportional to 145,391.14, 200,637.16 and 88,802.52

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Solution

The fourth proportional to 145,391.14, 200,637.16 and 88,802.52 is: 122,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,391.14 : 200,637.16 = 88,802.52 : x
  2. Step 2: Convert to fraction form
    145,391.14/200,637.16 = 88,802.52/x
  3. Step 3: Cross multiply
    145,391.14x = 200,637.16 × 88,802.52
  4. Step 4: Simplify right side
    145,391.14x = 17,817,085,413.64
  5. Step 5: Solve for x
    x = 17,817,085,413.64/145,391.14
  6. Step 6: Final answer
    x = 122,545.88

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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.