Home / 355,176.63-532,835.35-130,538.93

Finding the Fourth Proportional to 355,176.63, 532,835.35 and 130,538.93

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Solution

The fourth proportional to 355,176.63, 532,835.35 and 130,538.93 is: 195,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,176.63 : 532,835.35 = 130,538.93 : x
  2. Step 2: Convert to fraction form
    355,176.63/532,835.35 = 130,538.93/x
  3. Step 3: Cross multiply
    355,176.63x = 532,835.35 × 130,538.93
  4. Step 4: Simplify right side
    355,176.63x = 69,555,756,455.18
  5. Step 5: Solve for x
    x = 69,555,756,455.18/355,176.63
  6. Step 6: Final answer
    x = 195,834.27

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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.