Home / 357,875.12-536,679.84-105,086

Finding the Fourth Proportional to 357,875.12, 536,679.84 and 105,086

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Solution

The fourth proportional to 357,875.12, 536,679.84 and 105,086 is: 157,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,875.12 : 536,679.84 = 105,086 : x
  2. Step 2: Convert to fraction form
    357,875.12/536,679.84 = 105,086/x
  3. Step 3: Cross multiply
    357,875.12x = 536,679.84 × 105,086
  4. Step 4: Simplify right side
    357,875.12x = 56,397,537,666.24
  5. Step 5: Solve for x
    x = 56,397,537,666.24/357,875.12
  6. Step 6: Final answer
    x = 157,589.99

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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.