Home / 173,478.53-239,387.04-105,486.18

Finding the Fourth Proportional to 173,478.53, 239,387.04 and 105,486.18

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Solution

The fourth proportional to 173,478.53, 239,387.04 and 105,486.18 is: 145,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,478.53 : 239,387.04 = 105,486.18 : x
  2. Step 2: Convert to fraction form
    173,478.53/239,387.04 = 105,486.18/x
  3. Step 3: Cross multiply
    173,478.53x = 239,387.04 × 105,486.18
  4. Step 4: Simplify right side
    173,478.53x = 25,252,024,391.11
  5. Step 5: Solve for x
    x = 25,252,024,391.11/173,478.53
  6. Step 6: Final answer
    x = 145,562.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.