Home / 88,142.34-121,576.29-56,296.98

Finding the Fourth Proportional to 88,142.34, 121,576.29 and 56,296.98

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Solution

The fourth proportional to 88,142.34, 121,576.29 and 56,296.98 is: 77,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142.34 : 121,576.29 = 56,296.98 : x
  2. Step 2: Convert to fraction form
    88,142.34/121,576.29 = 56,296.98/x
  3. Step 3: Cross multiply
    88,142.34x = 121,576.29 × 56,296.98
  4. Step 4: Simplify right side
    88,142.34x = 6,844,377,966.60
  5. Step 5: Solve for x
    x = 6,844,377,966.60/88,142.34
  6. Step 6: Final answer
    x = 77,651.42

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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.