Home / 72,313.40-108,281.45-58,196.31

Finding the Fourth Proportional to 72,313.40, 108,281.45 and 58,196.31

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Solution

The fourth proportional to 72,313.40, 108,281.45 and 58,196.31 is: 87,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,313.40 : 108,281.45 = 58,196.31 : x
  2. Step 2: Convert to fraction form
    72,313.40/108,281.45 = 58,196.31/x
  3. Step 3: Cross multiply
    72,313.40x = 108,281.45 × 58,196.31
  4. Step 4: Simplify right side
    72,313.40x = 6,301,580,540.47
  5. Step 5: Solve for x
    x = 6,301,580,540.47/72,313.40
  6. Step 6: Final answer
    x = 87,142.65

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1.5x scale

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.