Home / 187,322.53-258,426.69-122,807.26

Finding the Fourth Proportional to 187,322.53, 258,426.69 and 122,807.26

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Solution

The fourth proportional to 187,322.53, 258,426.69 and 122,807.26 is: 169,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,322.53 : 258,426.69 = 122,807.26 : x
  2. Step 2: Convert to fraction form
    187,322.53/258,426.69 = 122,807.26/x
  3. Step 3: Cross multiply
    187,322.53x = 258,426.69 × 122,807.26
  4. Step 4: Simplify right side
    187,322.53x = 31,736,673,709.77
  5. Step 5: Solve for x
    x = 31,736,673,709.77/187,322.53
  6. Step 6: Final answer
    x = 169,422.62

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1.5x scale

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.