Home / 211,027.61-291,254.91-125,035.01

Finding the Fourth Proportional to 211,027.61, 291,254.91 and 125,035.01

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Solution

The fourth proportional to 211,027.61, 291,254.91 and 125,035.01 is: 172,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,027.61 : 291,254.91 = 125,035.01 : x
  2. Step 2: Convert to fraction form
    211,027.61/291,254.91 = 125,035.01/x
  3. Step 3: Cross multiply
    211,027.61x = 291,254.91 × 125,035.01
  4. Step 4: Simplify right side
    211,027.61x = 36,417,059,751.45
  5. Step 5: Solve for x
    x = 36,417,059,751.45/211,027.61
  6. Step 6: Final answer
    x = 172,570.12

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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.