Home / 109,972.45-151,763.75-59,671.45

Finding the Fourth Proportional to 109,972.45, 151,763.75 and 59,671.45

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Solution

The fourth proportional to 109,972.45, 151,763.75 and 59,671.45 is: 82,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.45 : 151,763.75 = 59,671.45 : x
  2. Step 2: Convert to fraction form
    109,972.45/151,763.75 = 59,671.45/x
  3. Step 3: Cross multiply
    109,972.45x = 151,763.75 × 59,671.45
  4. Step 4: Simplify right side
    109,972.45x = 9,055,963,019.94
  5. Step 5: Solve for x
    x = 9,055,963,019.94/109,972.45
  6. Step 6: Final answer
    x = 82,347.56

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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.