Home / 109,054.02-150,502.47-66,620.55

Finding the Fourth Proportional to 109,054.02, 150,502.47 and 66,620.55

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Solution

The fourth proportional to 109,054.02, 150,502.47 and 66,620.55 is: 91,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.02 : 150,502.47 = 66,620.55 : x
  2. Step 2: Convert to fraction form
    109,054.02/150,502.47 = 66,620.55/x
  3. Step 3: Cross multiply
    109,054.02x = 150,502.47 × 66,620.55
  4. Step 4: Simplify right side
    109,054.02x = 10,026,557,327.76
  5. Step 5: Solve for x
    x = 10,026,557,327.76/109,054.02
  6. Step 6: Final answer
    x = 91,941.20

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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.