Home / 156,971.40-235,457.10-104,209.80

Finding the Fourth Proportional to 156,971.40, 235,457.10 and 104,209.80

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Solution

The fourth proportional to 156,971.40, 235,457.10 and 104,209.80 is: 156,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.40 : 235,457.10 = 104,209.80 : x
  2. Step 2: Convert to fraction form
    156,971.40/235,457.10 = 104,209.80/x
  3. Step 3: Cross multiply
    156,971.40x = 235,457.10 × 104,209.80
  4. Step 4: Simplify right side
    156,971.40x = 24,536,937,299.58
  5. Step 5: Solve for x
    x = 24,536,937,299.58/156,971.40
  6. Step 6: Final answer
    x = 156,314.70

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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.