Home / 156,779.30-235,168.95-51,608.90

Finding the Fourth Proportional to 156,779.30, 235,168.95 and 51,608.90

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Solution

The fourth proportional to 156,779.30, 235,168.95 and 51,608.90 is: 77,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779.30 : 235,168.95 = 51,608.90 : x
  2. Step 2: Convert to fraction form
    156,779.30/235,168.95 = 51,608.90/x
  3. Step 3: Cross multiply
    156,779.30x = 235,168.95 × 51,608.90
  4. Step 4: Simplify right side
    156,779.30x = 12,136,810,823.66
  5. Step 5: Solve for x
    x = 12,136,810,823.66/156,779.30
  6. Step 6: Final answer
    x = 77,413.35

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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.