Home / 163,913.20-245,869.80-101,705.20

Finding the Fourth Proportional to 163,913.20, 245,869.80 and 101,705.20

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Solution

The fourth proportional to 163,913.20, 245,869.80 and 101,705.20 is: 152,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,913.20 : 245,869.80 = 101,705.20 : x
  2. Step 2: Convert to fraction form
    163,913.20/245,869.80 = 101,705.20/x
  3. Step 3: Cross multiply
    163,913.20x = 245,869.80 × 101,705.20
  4. Step 4: Simplify right side
    163,913.20x = 25,006,237,182.96
  5. Step 5: Solve for x
    x = 25,006,237,182.96/163,913.20
  6. Step 6: Final answer
    x = 152,557.80

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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.