Home / 103,548.42-142,888.77-58,217.94

Finding the Fourth Proportional to 103,548.42, 142,888.77 and 58,217.94

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Solution

The fourth proportional to 103,548.42, 142,888.77 and 58,217.94 is: 80,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,548.42 : 142,888.77 = 58,217.94 : x
  2. Step 2: Convert to fraction form
    103,548.42/142,888.77 = 58,217.94/x
  3. Step 3: Cross multiply
    103,548.42x = 142,888.77 × 58,217.94
  4. Step 4: Simplify right side
    103,548.42x = 8,318,689,838.53
  5. Step 5: Solve for x
    x = 8,318,689,838.53/103,548.42
  6. Step 6: Final answer
    x = 80,336.23

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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.