Home / 99,893.02-137,852.68-57,448.76

Finding the Fourth Proportional to 99,893.02, 137,852.68 and 57,448.76

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Solution

The fourth proportional to 99,893.02, 137,852.68 and 57,448.76 is: 79,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,893.02 : 137,852.68 = 57,448.76 : x
  2. Step 2: Convert to fraction form
    99,893.02/137,852.68 = 57,448.76/x
  3. Step 3: Cross multiply
    99,893.02x = 137,852.68 × 57,448.76
  4. Step 4: Simplify right side
    99,893.02x = 7,919,465,528.68
  5. Step 5: Solve for x
    x = 7,919,465,528.68/99,893.02
  6. Step 6: Final answer
    x = 79,279.47

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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.