Home / 134,837.51-186,075.60-74,408.12

Finding the Fourth Proportional to 134,837.51, 186,075.60 and 74,408.12

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Solution

The fourth proportional to 134,837.51, 186,075.60 and 74,408.12 is: 102,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,837.51 : 186,075.60 = 74,408.12 : x
  2. Step 2: Convert to fraction form
    134,837.51/186,075.60 = 74,408.12/x
  3. Step 3: Cross multiply
    134,837.51x = 186,075.60 × 74,408.12
  4. Step 4: Simplify right side
    134,837.51x = 13,845,535,573.87
  5. Step 5: Solve for x
    x = 13,845,535,573.87/134,837.51
  6. Step 6: Final answer
    x = 102,683.12

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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.