Home / 119,036.42-164,277.54-78,680.22

Finding the Fourth Proportional to 119,036.42, 164,277.54 and 78,680.22

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Solution

The fourth proportional to 119,036.42, 164,277.54 and 78,680.22 is: 108,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,036.42 : 164,277.54 = 78,680.22 : x
  2. Step 2: Convert to fraction form
    119,036.42/164,277.54 = 78,680.22/x
  3. Step 3: Cross multiply
    119,036.42x = 164,277.54 × 78,680.22
  4. Step 4: Simplify right side
    119,036.42x = 12,925,392,988.26
  5. Step 5: Solve for x
    x = 12,925,392,988.26/119,036.42
  6. Step 6: Final answer
    x = 108,583.52

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1.5x scale

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.