Home / 210,910.50-291,056.52-115,417.26

Finding the Fourth Proportional to 210,910.50, 291,056.52 and 115,417.26

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Solution

The fourth proportional to 210,910.50, 291,056.52 and 115,417.26 is: 159,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,910.50 : 291,056.52 = 115,417.26 : x
  2. Step 2: Convert to fraction form
    210,910.50/291,056.52 = 115,417.26/x
  3. Step 3: Cross multiply
    210,910.50x = 291,056.52 × 115,417.26
  4. Step 4: Simplify right side
    210,910.50x = 33,592,946,043.54
  5. Step 5: Solve for x
    x = 33,592,946,043.54/210,910.50
  6. Step 6: Final answer
    x = 159,275.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.