Home / 147,435.96-203,462.28-83,777.16

Finding the Fourth Proportional to 147,435.96, 203,462.28 and 83,777.16

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Solution

The fourth proportional to 147,435.96, 203,462.28 and 83,777.16 is: 115,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,435.96 : 203,462.28 = 83,777.16 : x
  2. Step 2: Convert to fraction form
    147,435.96/203,462.28 = 83,777.16/x
  3. Step 3: Cross multiply
    147,435.96x = 203,462.28 × 83,777.16
  4. Step 4: Simplify right side
    147,435.96x = 17,045,491,985.52
  5. Step 5: Solve for x
    x = 17,045,491,985.52/147,435.96
  6. Step 6: Final answer
    x = 115,612.85

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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.