Home / 103,462.60-142,767.75-58,133.38

Finding the Fourth Proportional to 103,462.60, 142,767.75 and 58,133.38

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Solution

The fourth proportional to 103,462.60, 142,767.75 and 58,133.38 is: 80,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462.60 : 142,767.75 = 58,133.38 : x
  2. Step 2: Convert to fraction form
    103,462.60/142,767.75 = 58,133.38/x
  3. Step 3: Cross multiply
    103,462.60x = 142,767.75 × 58,133.38
  4. Step 4: Simplify right side
    103,462.60x = 8,299,571,862.50
  5. Step 5: Solve for x
    x = 8,299,571,862.50/103,462.60
  6. Step 6: Final answer
    x = 80,218.09

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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.