Home / 113,407.20-156,507.12-63,109.44

Finding the Fourth Proportional to 113,407.20, 156,507.12 and 63,109.44

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Solution

The fourth proportional to 113,407.20, 156,507.12 and 63,109.44 is: 87,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,407.20 : 156,507.12 = 63,109.44 : x
  2. Step 2: Convert to fraction form
    113,407.20/156,507.12 = 63,109.44/x
  3. Step 3: Cross multiply
    113,407.20x = 156,507.12 × 63,109.44
  4. Step 4: Simplify right side
    113,407.20x = 9,877,076,699.21
  5. Step 5: Solve for x
    x = 9,877,076,699.21/113,407.20
  6. Step 6: Final answer
    x = 87,093.91

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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.