Home / 163,422.76-245,165.04-56,802.70

Finding the Fourth Proportional to 163,422.76, 245,165.04 and 56,802.70

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Solution

The fourth proportional to 163,422.76, 245,165.04 and 56,802.70 is: 85,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,422.76 : 245,165.04 = 56,802.70 : x
  2. Step 2: Convert to fraction form
    163,422.76/245,165.04 = 56,802.70/x
  3. Step 3: Cross multiply
    163,422.76x = 245,165.04 × 56,802.70
  4. Step 4: Simplify right side
    163,422.76x = 13,926,036,217.61
  5. Step 5: Solve for x
    x = 13,926,036,217.61/163,422.76
  6. Step 6: Final answer
    x = 85,214.79

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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.