Home / 163,994.32-245,837.88-89,004.40

Finding the Fourth Proportional to 163,994.32, 245,837.88 and 89,004.40

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Solution

The fourth proportional to 163,994.32, 245,837.88 and 89,004.40 is: 133,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,994.32 : 245,837.88 = 89,004.40 : x
  2. Step 2: Convert to fraction form
    163,994.32/245,837.88 = 89,004.40/x
  3. Step 3: Cross multiply
    163,994.32x = 245,837.88 × 89,004.40
  4. Step 4: Simplify right side
    163,994.32x = 21,880,653,006.67
  5. Step 5: Solve for x
    x = 21,880,653,006.67/163,994.32
  6. Step 6: Final answer
    x = 133,423.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.