Home / 342,566.55-513,864.41-105,913.71

Finding the Fourth Proportional to 342,566.55, 513,864.41 and 105,913.71

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Solution

The fourth proportional to 342,566.55, 513,864.41 and 105,913.71 is: 158,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,566.55 : 513,864.41 = 105,913.71 : x
  2. Step 2: Convert to fraction form
    342,566.55/513,864.41 = 105,913.71/x
  3. Step 3: Cross multiply
    342,566.55x = 513,864.41 × 105,913.71
  4. Step 4: Simplify right side
    342,566.55x = 54,425,285,570.49
  5. Step 5: Solve for x
    x = 54,425,285,570.49/342,566.55
  6. Step 6: Final answer
    x = 158,875.07

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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.