Home / 124,218.02-186,327.08-39,978.17

Finding the Fourth Proportional to 124,218.02, 186,327.08 and 39,978.17

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Solution

The fourth proportional to 124,218.02, 186,327.08 and 39,978.17 is: 59,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.02 : 186,327.08 = 39,978.17 : x
  2. Step 2: Convert to fraction form
    124,218.02/186,327.08 = 39,978.17/x
  3. Step 3: Cross multiply
    124,218.02x = 186,327.08 × 39,978.17
  4. Step 4: Simplify right side
    124,218.02x = 7,449,015,679.84
  5. Step 5: Solve for x
    x = 7,449,015,679.84/124,218.02
  6. Step 6: Final answer
    x = 59,967.27

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1.5x scale

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.