Home / 134,888.61-186,145.22-74,459.27

Finding the Fourth Proportional to 134,888.61, 186,145.22 and 74,459.27

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Solution

The fourth proportional to 134,888.61, 186,145.22 and 74,459.27 is: 102,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,888.61 : 186,145.22 = 74,459.27 : x
  2. Step 2: Convert to fraction form
    134,888.61/186,145.22 = 74,459.27/x
  3. Step 3: Cross multiply
    134,888.61x = 186,145.22 × 74,459.27
  4. Step 4: Simplify right side
    134,888.61x = 13,860,237,195.19
  5. Step 5: Solve for x
    x = 13,860,237,195.19/134,888.61
  6. Step 6: Final answer
    x = 102,753.21

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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.