Home / 156,977.08-235,463.42-38,649.40

Finding the Fourth Proportional to 156,977.08, 235,463.42 and 38,649.40

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Solution

The fourth proportional to 156,977.08, 235,463.42 and 38,649.40 is: 57,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.08 : 235,463.42 = 38,649.40 : x
  2. Step 2: Convert to fraction form
    156,977.08/235,463.42 = 38,649.40/x
  3. Step 3: Cross multiply
    156,977.08x = 235,463.42 × 38,649.40
  4. Step 4: Simplify right side
    156,977.08x = 9,100,519,904.95
  5. Step 5: Solve for x
    x = 9,100,519,904.95/156,977.08
  6. Step 6: Final answer
    x = 57,973.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.