Home / 103,256.35-142,491.48-57,933.52

Finding the Fourth Proportional to 103,256.35, 142,491.48 and 57,933.52

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Solution

The fourth proportional to 103,256.35, 142,491.48 and 57,933.52 is: 79,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,256.35 : 142,491.48 = 57,933.52 : x
  2. Step 2: Convert to fraction form
    103,256.35/142,491.48 = 57,933.52/x
  3. Step 3: Cross multiply
    103,256.35x = 142,491.48 × 57,933.52
  4. Step 4: Simplify right side
    103,256.35x = 8,255,033,006.41
  5. Step 5: Solve for x
    x = 8,255,033,006.41/103,256.35
  6. Step 6: Final answer
    x = 79,946.98

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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.