Home / 163,817.40-245,737.26-55,702.74

Finding the Fourth Proportional to 163,817.40, 245,737.26 and 55,702.74

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Solution

The fourth proportional to 163,817.40, 245,737.26 and 55,702.74 is: 83,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,817.40 : 245,737.26 = 55,702.74 : x
  2. Step 2: Convert to fraction form
    163,817.40/245,737.26 = 55,702.74/x
  3. Step 3: Cross multiply
    163,817.40x = 245,737.26 × 55,702.74
  4. Step 4: Simplify right side
    163,817.40x = 13,688,238,702.09
  5. Step 5: Solve for x
    x = 13,688,238,702.09/163,817.40
  6. Step 6: Final answer
    x = 83,557.90

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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.