Home / 101,787.23-140,466.22-56,472.12

Finding the Fourth Proportional to 101,787.23, 140,466.22 and 56,472.12

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Solution

The fourth proportional to 101,787.23, 140,466.22 and 56,472.12 is: 77,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,787.23 : 140,466.22 = 56,472.12 : x
  2. Step 2: Convert to fraction form
    101,787.23/140,466.22 = 56,472.12/x
  3. Step 3: Cross multiply
    101,787.23x = 140,466.22 × 56,472.12
  4. Step 4: Simplify right side
    101,787.23x = 7,932,425,090.61
  5. Step 5: Solve for x
    x = 7,932,425,090.61/101,787.23
  6. Step 6: Final answer
    x = 77,931.43

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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.