Home / 90,507.02-124,905.66-52,268.18

Finding the Fourth Proportional to 90,507.02, 124,905.66 and 52,268.18

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Solution

The fourth proportional to 90,507.02, 124,905.66 and 52,268.18 is: 72,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507.02 : 124,905.66 = 52,268.18 : x
  2. Step 2: Convert to fraction form
    90,507.02/124,905.66 = 52,268.18/x
  3. Step 3: Cross multiply
    90,507.02x = 124,905.66 × 52,268.18
  4. Step 4: Simplify right side
    90,507.02x = 6,528,590,634.03
  5. Step 5: Solve for x
    x = 6,528,590,634.03/90,507.02
  6. Step 6: Final answer
    x = 72,133.53

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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.