Home / 103,083.94-142,255.76-57,762.29

Finding the Fourth Proportional to 103,083.94, 142,255.76 and 57,762.29

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Solution

The fourth proportional to 103,083.94, 142,255.76 and 57,762.29 is: 79,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,083.94 : 142,255.76 = 57,762.29 : x
  2. Step 2: Convert to fraction form
    103,083.94/142,255.76 = 57,762.29/x
  3. Step 3: Cross multiply
    103,083.94x = 142,255.76 × 57,762.29
  4. Step 4: Simplify right side
    103,083.94x = 8,217,018,463.29
  5. Step 5: Solve for x
    x = 8,217,018,463.29/103,083.94
  6. Step 6: Final answer
    x = 79,711.92

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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.