Home / 122,327.28-168,779.40-70,631.64

Finding the Fourth Proportional to 122,327.28, 168,779.40 and 70,631.64

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Solution

The fourth proportional to 122,327.28, 168,779.40 and 70,631.64 is: 97,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,327.28 : 168,779.40 = 70,631.64 : x
  2. Step 2: Convert to fraction form
    122,327.28/168,779.40 = 70,631.64/x
  3. Step 3: Cross multiply
    122,327.28x = 168,779.40 × 70,631.64
  4. Step 4: Simplify right side
    122,327.28x = 11,921,165,820.22
  5. Step 5: Solve for x
    x = 11,921,165,820.22/122,327.28
  6. Step 6: Final answer
    x = 97,453.04

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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.