Home / 342,479.08-513,666.78-93,180.52

Finding the Fourth Proportional to 342,479.08, 513,666.78 and 93,180.52

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Solution

The fourth proportional to 342,479.08, 513,666.78 and 93,180.52 is: 139,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,479.08 : 513,666.78 = 93,180.52 : x
  2. Step 2: Convert to fraction form
    342,479.08/513,666.78 = 93,180.52/x
  3. Step 3: Cross multiply
    342,479.08x = 513,666.78 × 93,180.52
  4. Step 4: Simplify right side
    342,479.08x = 47,863,737,667.13
  5. Step 5: Solve for x
    x = 47,863,737,667.13/342,479.08
  6. Step 6: Final answer
    x = 139,756.68

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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.