Home / 147,353.64-203,341.50-83,690.52

Finding the Fourth Proportional to 147,353.64, 203,341.50 and 83,690.52

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Solution

The fourth proportional to 147,353.64, 203,341.50 and 83,690.52 is: 115,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,353.64 : 203,341.50 = 83,690.52 : x
  2. Step 2: Convert to fraction form
    147,353.64/203,341.50 = 83,690.52/x
  3. Step 3: Cross multiply
    147,353.64x = 203,341.50 × 83,690.52
  4. Step 4: Simplify right side
    147,353.64x = 17,017,755,872.58
  5. Step 5: Solve for x
    x = 17,017,755,872.58/147,353.64
  6. Step 6: Final answer
    x = 115,489.21

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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.