Home / 147,337.29-203,268.02-83,666.43

Finding the Fourth Proportional to 147,337.29, 203,268.02 and 83,666.43

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Solution

The fourth proportional to 147,337.29, 203,268.02 and 83,666.43 is: 115,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,337.29 : 203,268.02 = 83,666.43 : x
  2. Step 2: Convert to fraction form
    147,337.29/203,268.02 = 83,666.43/x
  3. Step 3: Cross multiply
    147,337.29x = 203,268.02 × 83,666.43
  4. Step 4: Simplify right side
    147,337.29x = 17,006,709,148.24
  5. Step 5: Solve for x
    x = 17,006,709,148.24/147,337.29
  6. Step 6: Final answer
    x = 115,427.05

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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.