Home / 171,702.06-257,547.60-45,338.40

Finding the Fourth Proportional to 171,702.06, 257,547.60 and 45,338.40

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Solution

The fourth proportional to 171,702.06, 257,547.60 and 45,338.40 is: 68,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,702.06 : 257,547.60 = 45,338.40 : x
  2. Step 2: Convert to fraction form
    171,702.06/257,547.60 = 45,338.40/x
  3. Step 3: Cross multiply
    171,702.06x = 257,547.60 × 45,338.40
  4. Step 4: Simplify right side
    171,702.06x = 11,676,796,107.84
  5. Step 5: Solve for x
    x = 11,676,796,107.84/171,702.06
  6. Step 6: Final answer
    x = 68,006.15

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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.