Home / 106,740.32-160,210.80-54,187.52

Finding the Fourth Proportional to 106,740.32, 160,210.80 and 54,187.52

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Solution

The fourth proportional to 106,740.32, 160,210.80 and 54,187.52 is: 81,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,740.32 : 160,210.80 = 54,187.52 : x
  2. Step 2: Convert to fraction form
    106,740.32/160,210.80 = 54,187.52/x
  3. Step 3: Cross multiply
    106,740.32x = 160,210.80 × 54,187.52
  4. Step 4: Simplify right side
    106,740.32x = 8,681,425,929.22
  5. Step 5: Solve for x
    x = 8,681,425,929.22/106,740.32
  6. Step 6: Final answer
    x = 81,332.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.