Home / 183,700.45-275,294.04-99,278.61

Finding the Fourth Proportional to 183,700.45, 275,294.04 and 99,278.61

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Solution

The fourth proportional to 183,700.45, 275,294.04 and 99,278.61 is: 148,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,700.45 : 275,294.04 = 99,278.61 : x
  2. Step 2: Convert to fraction form
    183,700.45/275,294.04 = 99,278.61/x
  3. Step 3: Cross multiply
    183,700.45x = 275,294.04 × 99,278.61
  4. Step 4: Simplify right side
    183,700.45x = 27,330,808,256.01
  5. Step 5: Solve for x
    x = 27,330,808,256.01/183,700.45
  6. Step 6: Final answer
    x = 148,779.21

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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.