Home / 156,955.15-234,940.65-112,668.40

Finding the Fourth Proportional to 156,955.15, 234,940.65 and 112,668.40

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Solution

The fourth proportional to 156,955.15, 234,940.65 and 112,668.40 is: 168,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955.15 : 234,940.65 = 112,668.40 : x
  2. Step 2: Convert to fraction form
    156,955.15/234,940.65 = 112,668.40/x
  3. Step 3: Cross multiply
    156,955.15x = 234,940.65 × 112,668.40
  4. Step 4: Simplify right side
    156,955.15x = 26,470,387,130.46
  5. Step 5: Solve for x
    x = 26,470,387,130.46/156,955.15
  6. Step 6: Final answer
    x = 168,649.37

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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.