Home / 103,730.57-143,166.11-60,117.03

Finding the Fourth Proportional to 103,730.57, 143,166.11 and 60,117.03

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Solution

The fourth proportional to 103,730.57, 143,166.11 and 60,117.03 is: 82,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,730.57 : 143,166.11 = 60,117.03 : x
  2. Step 2: Convert to fraction form
    103,730.57/143,166.11 = 60,117.03/x
  3. Step 3: Cross multiply
    103,730.57x = 143,166.11 × 60,117.03
  4. Step 4: Simplify right side
    103,730.57x = 8,606,721,029.27
  5. Step 5: Solve for x
    x = 8,606,721,029.27/103,730.57
  6. Step 6: Final answer
    x = 82,971.89

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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.