Home / 119,434.40-164,682.72-76,356.32

Finding the Fourth Proportional to 119,434.40, 164,682.72 and 76,356.32

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Solution

The fourth proportional to 119,434.40, 164,682.72 and 76,356.32 is: 105,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,434.40 : 164,682.72 = 76,356.32 : x
  2. Step 2: Convert to fraction form
    119,434.40/164,682.72 = 76,356.32/x
  3. Step 3: Cross multiply
    119,434.40x = 164,682.72 × 76,356.32
  4. Step 4: Simplify right side
    119,434.40x = 12,574,566,466.79
  5. Step 5: Solve for x
    x = 12,574,566,466.79/119,434.40
  6. Step 6: Final answer
    x = 105,284.29

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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.