Home / 187,127.81-280,901.54-74,886.26

Finding the Fourth Proportional to 187,127.81, 280,901.54 and 74,886.26

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Solution

The fourth proportional to 187,127.81, 280,901.54 and 74,886.26 is: 112,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,127.81 : 280,901.54 = 74,886.26 : x
  2. Step 2: Convert to fraction form
    187,127.81/280,901.54 = 74,886.26/x
  3. Step 3: Cross multiply
    187,127.81x = 280,901.54 × 74,886.26
  4. Step 4: Simplify right side
    187,127.81x = 21,035,666,437.69
  5. Step 5: Solve for x
    x = 21,035,666,437.69/187,127.81
  6. Step 6: Final answer
    x = 112,413.36

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1.5x scale

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.