Home / 108,998.60-163,376.40-42,416.60

Finding the Fourth Proportional to 108,998.60, 163,376.40 and 42,416.60

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Solution

The fourth proportional to 108,998.60, 163,376.40 and 42,416.60 is: 63,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,998.60 : 163,376.40 = 42,416.60 : x
  2. Step 2: Convert to fraction form
    108,998.60/163,376.40 = 42,416.60/x
  3. Step 3: Cross multiply
    108,998.60x = 163,376.40 × 42,416.60
  4. Step 4: Simplify right side
    108,998.60x = 6,929,871,408.24
  5. Step 5: Solve for x
    x = 6,929,871,408.24/108,998.60
  6. Step 6: Final answer
    x = 63,577.62

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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.