Home / 109,579.04-151,218.76-59,278

Finding the Fourth Proportional to 109,579.04, 151,218.76 and 59,278

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Solution

The fourth proportional to 109,579.04, 151,218.76 and 59,278 is: 81,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,579.04 : 151,218.76 = 59,278 : x
  2. Step 2: Convert to fraction form
    109,579.04/151,218.76 = 59,278/x
  3. Step 3: Cross multiply
    109,579.04x = 151,218.76 × 59,278
  4. Step 4: Simplify right side
    109,579.04x = 8,963,945,655.28
  5. Step 5: Solve for x
    x = 8,963,945,655.28/109,579.04
  6. Step 6: Final answer
    x = 81,803.47

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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.