Home / 211,875.55-292,390.40-115,080.34

Finding the Fourth Proportional to 211,875.55, 292,390.40 and 115,080.34

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Solution

The fourth proportional to 211,875.55, 292,390.40 and 115,080.34 is: 158,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,875.55 : 292,390.40 = 115,080.34 : x
  2. Step 2: Convert to fraction form
    211,875.55/292,390.40 = 115,080.34/x
  3. Step 3: Cross multiply
    211,875.55x = 292,390.40 × 115,080.34
  4. Step 4: Simplify right side
    211,875.55x = 33,648,385,338.36
  5. Step 5: Solve for x
    x = 33,648,385,338.36/211,875.55
  6. Step 6: Final answer
    x = 158,812.03

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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.