Home / 108,860.47-163,301.03-42,305.74

Finding the Fourth Proportional to 108,860.47, 163,301.03 and 42,305.74

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Solution

The fourth proportional to 108,860.47, 163,301.03 and 42,305.74 is: 63,462.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,860.47 : 163,301.03 = 42,305.74 : x
  2. Step 2: Convert to fraction form
    108,860.47/163,301.03 = 42,305.74/x
  3. Step 3: Cross multiply
    108,860.47x = 163,301.03 × 42,305.74
  4. Step 4: Simplify right side
    108,860.47x = 6,908,571,022.68
  5. Step 5: Solve for x
    x = 6,908,571,022.68/108,860.47
  6. Step 6: Final answer
    x = 63,462.62

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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.