Home / 342,039.04-513,125.76-105,341.44

Finding the Fourth Proportional to 342,039.04, 513,125.76 and 105,341.44

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Solution

The fourth proportional to 342,039.04, 513,125.76 and 105,341.44 is: 158,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,039.04 : 513,125.76 = 105,341.44 : x
  2. Step 2: Convert to fraction form
    342,039.04/513,125.76 = 105,341.44/x
  3. Step 3: Cross multiply
    342,039.04x = 513,125.76 × 105,341.44
  4. Step 4: Simplify right side
    342,039.04x = 54,053,406,459.49
  5. Step 5: Solve for x
    x = 54,053,406,459.49/342,039.04
  6. Step 6: Final answer
    x = 158,032.86

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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.