Home / 108,678.32-150,002.76-66,260.24

Finding the Fourth Proportional to 108,678.32, 150,002.76 and 66,260.24

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Solution

The fourth proportional to 108,678.32, 150,002.76 and 66,260.24 is: 91,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,678.32 : 150,002.76 = 66,260.24 : x
  2. Step 2: Convert to fraction form
    108,678.32/150,002.76 = 66,260.24/x
  3. Step 3: Cross multiply
    108,678.32x = 150,002.76 × 66,260.24
  4. Step 4: Simplify right side
    108,678.32x = 9,939,218,878.26
  5. Step 5: Solve for x
    x = 9,939,218,878.26/108,678.32
  6. Step 6: Final answer
    x = 91,455.40

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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.