Home / 119,618.40-179,427.60-89,680.80

Finding the Fourth Proportional to 119,618.40, 179,427.60 and 89,680.80

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Solution

The fourth proportional to 119,618.40, 179,427.60 and 89,680.80 is: 134,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,618.40 : 179,427.60 = 89,680.80 : x
  2. Step 2: Convert to fraction form
    119,618.40/179,427.60 = 89,680.80/x
  3. Step 3: Cross multiply
    119,618.40x = 179,427.60 × 89,680.80
  4. Step 4: Simplify right side
    119,618.40x = 16,091,210,710.08
  5. Step 5: Solve for x
    x = 16,091,210,710.08/119,618.40
  6. Step 6: Final answer
    x = 134,521.20

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1.5x scale

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.