Home / 211,330.48-291,665.94-130,783.96

Finding the Fourth Proportional to 211,330.48, 291,665.94 and 130,783.96

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Solution

The fourth proportional to 211,330.48, 291,665.94 and 130,783.96 is: 180,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,330.48 : 291,665.94 = 130,783.96 : x
  2. Step 2: Convert to fraction form
    211,330.48/291,665.94 = 130,783.96/x
  3. Step 3: Cross multiply
    211,330.48x = 291,665.94 × 130,783.96
  4. Step 4: Simplify right side
    211,330.48x = 38,145,226,630.32
  5. Step 5: Solve for x
    x = 38,145,226,630.32/211,330.48
  6. Step 6: Final answer
    x = 180,500.35

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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.