Home / 101,475.41-140,043.06-56,155.30

Finding the Fourth Proportional to 101,475.41, 140,043.06 and 56,155.30

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Solution

The fourth proportional to 101,475.41, 140,043.06 and 56,155.30 is: 77,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,475.41 : 140,043.06 = 56,155.30 : x
  2. Step 2: Convert to fraction form
    101,475.41/140,043.06 = 56,155.30/x
  3. Step 3: Cross multiply
    101,475.41x = 140,043.06 × 56,155.30
  4. Step 4: Simplify right side
    101,475.41x = 7,864,159,697.11
  5. Step 5: Solve for x
    x = 7,864,159,697.11/101,475.41
  6. Step 6: Final answer
    x = 77,498.18

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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.