Home / 156,509.08-234,792.81-71,125.94

Finding the Fourth Proportional to 156,509.08, 234,792.81 and 71,125.94

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Solution

The fourth proportional to 156,509.08, 234,792.81 and 71,125.94 is: 106,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,509.08 : 234,792.81 = 71,125.94 : x
  2. Step 2: Convert to fraction form
    156,509.08/234,792.81 = 71,125.94/x
  3. Step 3: Cross multiply
    156,509.08x = 234,792.81 × 71,125.94
  4. Step 4: Simplify right side
    156,509.08x = 16,699,859,903.47
  5. Step 5: Solve for x
    x = 16,699,859,903.47/156,509.08
  6. Step 6: Final answer
    x = 106,702.18

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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.