Home / 192,677.10-289,066.05-74,352.30

Finding the Fourth Proportional to 192,677.10, 289,066.05 and 74,352.30

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Solution

The fourth proportional to 192,677.10, 289,066.05 and 74,352.30 is: 111,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,677.10 : 289,066.05 = 74,352.30 : x
  2. Step 2: Convert to fraction form
    192,677.10/289,066.05 = 74,352.30/x
  3. Step 3: Cross multiply
    192,677.10x = 289,066.05 × 74,352.30
  4. Step 4: Simplify right side
    192,677.10x = 21,492,725,669.42
  5. Step 5: Solve for x
    x = 21,492,725,669.42/192,677.10
  6. Step 6: Final answer
    x = 111,547.90

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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.