Home / 108,814.32-163,308.96-56,239.20

Finding the Fourth Proportional to 108,814.32, 163,308.96 and 56,239.20

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Solution

The fourth proportional to 108,814.32, 163,308.96 and 56,239.20 is: 84,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,814.32 : 163,308.96 = 56,239.20 : x
  2. Step 2: Convert to fraction form
    108,814.32/163,308.96 = 56,239.20/x
  3. Step 3: Cross multiply
    108,814.32x = 163,308.96 × 56,239.20
  4. Step 4: Simplify right side
    108,814.32x = 9,184,365,263.23
  5. Step 5: Solve for x
    x = 9,184,365,263.23/108,814.32
  6. Step 6: Final answer
    x = 84,404.01

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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.