Home / 156,971.90-235,452.63-68,225.51

Finding the Fourth Proportional to 156,971.90, 235,452.63 and 68,225.51

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Solution

The fourth proportional to 156,971.90, 235,452.63 and 68,225.51 is: 102,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.90 : 235,452.63 = 68,225.51 : x
  2. Step 2: Convert to fraction form
    156,971.90/235,452.63 = 68,225.51/x
  3. Step 3: Cross multiply
    156,971.90x = 235,452.63 × 68,225.51
  4. Step 4: Simplify right side
    156,971.90x = 16,063,875,762.59
  5. Step 5: Solve for x
    x = 16,063,875,762.59/156,971.90
  6. Step 6: Final answer
    x = 102,336.00

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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.