Home / 104,302.08-143,935.45-56,554.40

Finding the Fourth Proportional to 104,302.08, 143,935.45 and 56,554.40

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Solution

The fourth proportional to 104,302.08, 143,935.45 and 56,554.40 is: 78,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,302.08 : 143,935.45 = 56,554.40 : x
  2. Step 2: Convert to fraction form
    104,302.08/143,935.45 = 56,554.40/x
  3. Step 3: Cross multiply
    104,302.08x = 143,935.45 × 56,554.40
  4. Step 4: Simplify right side
    104,302.08x = 8,140,183,231.93
  5. Step 5: Solve for x
    x = 8,140,183,231.93/104,302.08
  6. Step 6: Final answer
    x = 78,044.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.