Home / 108,799.79-163,166.88-42,225.08

Finding the Fourth Proportional to 108,799.79, 163,166.88 and 42,225.08

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Solution

The fourth proportional to 108,799.79, 163,166.88 and 42,225.08 is: 63,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,799.79 : 163,166.88 = 42,225.08 : x
  2. Step 2: Convert to fraction form
    108,799.79/163,166.88 = 42,225.08/x
  3. Step 3: Cross multiply
    108,799.79x = 163,166.88 × 42,225.08
  4. Step 4: Simplify right side
    108,799.79x = 6,889,734,561.35
  5. Step 5: Solve for x
    x = 6,889,734,561.35/108,799.79
  6. Step 6: Final answer
    x = 63,324.89

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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.