Home / 179,356.25-247,489.95-102,871.40

Finding the Fourth Proportional to 179,356.25, 247,489.95 and 102,871.40

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Solution

The fourth proportional to 179,356.25, 247,489.95 and 102,871.40 is: 141,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,356.25 : 247,489.95 = 102,871.40 : x
  2. Step 2: Convert to fraction form
    179,356.25/247,489.95 = 102,871.40/x
  3. Step 3: Cross multiply
    179,356.25x = 247,489.95 × 102,871.40
  4. Step 4: Simplify right side
    179,356.25x = 25,459,637,642.43
  5. Step 5: Solve for x
    x = 25,459,637,642.43/179,356.25
  6. Step 6: Final answer
    x = 141,950.10

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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.