Home / 82,327.16-123,430.80-26,148.80

Finding the Fourth Proportional to 82,327.16, 123,430.80 and 26,148.80

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Solution

The fourth proportional to 82,327.16, 123,430.80 and 26,148.80 is: 39,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,327.16 : 123,430.80 = 26,148.80 : x
  2. Step 2: Convert to fraction form
    82,327.16/123,430.80 = 26,148.80/x
  3. Step 3: Cross multiply
    82,327.16x = 123,430.80 × 26,148.80
  4. Step 4: Simplify right side
    82,327.16x = 3,227,567,303.04
  5. Step 5: Solve for x
    x = 3,227,567,303.04/82,327.16
  6. Step 6: Final answer
    x = 39,204.16

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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.