Home / 163,677.17-245,575.72-68,931.20

Finding the Fourth Proportional to 163,677.17, 245,575.72 and 68,931.20

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Solution

The fourth proportional to 163,677.17, 245,575.72 and 68,931.20 is: 103,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,677.17 : 245,575.72 = 68,931.20 : x
  2. Step 2: Convert to fraction form
    163,677.17/245,575.72 = 68,931.20/x
  3. Step 3: Cross multiply
    163,677.17x = 245,575.72 × 68,931.20
  4. Step 4: Simplify right side
    163,677.17x = 16,927,829,964.44
  5. Step 5: Solve for x
    x = 16,927,829,964.44/163,677.17
  6. Step 6: Final answer
    x = 103,422.06

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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.