Home / 357,869.12-536,670.84-105,080

Finding the Fourth Proportional to 357,869.12, 536,670.84 and 105,080

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Solution

The fourth proportional to 357,869.12, 536,670.84 and 105,080 is: 157,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,869.12 : 536,670.84 = 105,080 : x
  2. Step 2: Convert to fraction form
    357,869.12/536,670.84 = 105,080/x
  3. Step 3: Cross multiply
    357,869.12x = 536,670.84 × 105,080
  4. Step 4: Simplify right side
    357,869.12x = 56,393,371,867.20
  5. Step 5: Solve for x
    x = 56,393,371,867.20/357,869.12
  6. Step 6: Final answer
    x = 157,580.99

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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.