Home / 121,363.28-182,125.89-42,477.51

Finding the Fourth Proportional to 121,363.28, 182,125.89 and 42,477.51

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Solution

The fourth proportional to 121,363.28, 182,125.89 and 42,477.51 is: 63,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,363.28 : 182,125.89 = 42,477.51 : x
  2. Step 2: Convert to fraction form
    121,363.28/182,125.89 = 42,477.51/x
  3. Step 3: Cross multiply
    121,363.28x = 182,125.89 × 42,477.51
  4. Step 4: Simplify right side
    121,363.28x = 7,736,254,313.73
  5. Step 5: Solve for x
    x = 7,736,254,313.73/121,363.28
  6. Step 6: Final answer
    x = 63,744.61

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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.