Home / 130,216.32-179,677.12-73,620

Finding the Fourth Proportional to 130,216.32, 179,677.12 and 73,620

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Solution

The fourth proportional to 130,216.32, 179,677.12 and 73,620 is: 101,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,216.32 : 179,677.12 = 73,620 : x
  2. Step 2: Convert to fraction form
    130,216.32/179,677.12 = 73,620/x
  3. Step 3: Cross multiply
    130,216.32x = 179,677.12 × 73,620
  4. Step 4: Simplify right side
    130,216.32x = 13,227,829,574.40
  5. Step 5: Solve for x
    x = 13,227,829,574.40/130,216.32
  6. Step 6: Final answer
    x = 101,583.50

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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.