Home / 122,661.29-183,991.95-38,422.17

Finding the Fourth Proportional to 122,661.29, 183,991.95 and 38,422.17

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Solution

The fourth proportional to 122,661.29, 183,991.95 and 38,422.17 is: 57,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,661.29 : 183,991.95 = 38,422.17 : x
  2. Step 2: Convert to fraction form
    122,661.29/183,991.95 = 38,422.17/x
  3. Step 3: Cross multiply
    122,661.29x = 183,991.95 × 38,422.17
  4. Step 4: Simplify right side
    122,661.29x = 7,069,369,981.53
  5. Step 5: Solve for x
    x = 7,069,369,981.53/122,661.29
  6. Step 6: Final answer
    x = 57,633.26

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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.