Home / 153,013.20-229,519.80-111,541.20

Finding the Fourth Proportional to 153,013.20, 229,519.80 and 111,541.20

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Solution

The fourth proportional to 153,013.20, 229,519.80 and 111,541.20 is: 167,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,013.20 : 229,519.80 = 111,541.20 : x
  2. Step 2: Convert to fraction form
    153,013.20/229,519.80 = 111,541.20/x
  3. Step 3: Cross multiply
    153,013.20x = 229,519.80 × 111,541.20
  4. Step 4: Simplify right side
    153,013.20x = 25,600,913,915.76
  5. Step 5: Solve for x
    x = 25,600,913,915.76/153,013.20
  6. Step 6: Final answer
    x = 167,311.80

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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.