Home / 156,970.90-235,456.35-103,826.80

Finding the Fourth Proportional to 156,970.90, 235,456.35 and 103,826.80

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Solution

The fourth proportional to 156,970.90, 235,456.35 and 103,826.80 is: 155,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.90 : 235,456.35 = 103,826.80 : x
  2. Step 2: Convert to fraction form
    156,970.90/235,456.35 = 103,826.80/x
  3. Step 3: Cross multiply
    156,970.90x = 235,456.35 × 103,826.80
  4. Step 4: Simplify right side
    156,970.90x = 24,446,679,360.18
  5. Step 5: Solve for x
    x = 24,446,679,360.18/156,970.90
  6. Step 6: Final answer
    x = 155,740.20

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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.