Home / 179,687.40-247,970.34-99,118.32

Finding the Fourth Proportional to 179,687.40, 247,970.34 and 99,118.32

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Solution

The fourth proportional to 179,687.40, 247,970.34 and 99,118.32 is: 136,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,687.40 : 247,970.34 = 99,118.32 : x
  2. Step 2: Convert to fraction form
    179,687.40/247,970.34 = 99,118.32/x
  3. Step 3: Cross multiply
    179,687.40x = 247,970.34 × 99,118.32
  4. Step 4: Simplify right side
    179,687.40x = 24,578,403,510.63
  5. Step 5: Solve for x
    x = 24,578,403,510.63/179,687.40
  6. Step 6: Final answer
    x = 136,784.23

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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.