Home / 153,795.70-230,276.67-79,768.18

Finding the Fourth Proportional to 153,795.70, 230,276.67 and 79,768.18

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Solution

The fourth proportional to 153,795.70, 230,276.67 and 79,768.18 is: 119,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,795.70 : 230,276.67 = 79,768.18 : x
  2. Step 2: Convert to fraction form
    153,795.70/230,276.67 = 79,768.18/x
  3. Step 3: Cross multiply
    153,795.70x = 230,276.67 × 79,768.18
  4. Step 4: Simplify right side
    153,795.70x = 18,368,750,862.36
  5. Step 5: Solve for x
    x = 18,368,750,862.36/153,795.70
  6. Step 6: Final answer
    x = 119,436.05

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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.