Home / 119,724.48-179,465.45-77,631.26

Finding the Fourth Proportional to 119,724.48, 179,465.45 and 77,631.26

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Solution

The fourth proportional to 119,724.48, 179,465.45 and 77,631.26 is: 116,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,724.48 : 179,465.45 = 77,631.26 : x
  2. Step 2: Convert to fraction form
    119,724.48/179,465.45 = 77,631.26/x
  3. Step 3: Cross multiply
    119,724.48x = 179,465.45 × 77,631.26
  4. Step 4: Simplify right side
    119,724.48x = 13,932,127,724.48
  5. Step 5: Solve for x
    x = 13,932,127,724.48/119,724.48
  6. Step 6: Final answer
    x = 116,368.25

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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.