Home / 153,223.40-229,835.10-105,984.20

Finding the Fourth Proportional to 153,223.40, 229,835.10 and 105,984.20

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Solution

The fourth proportional to 153,223.40, 229,835.10 and 105,984.20 is: 158,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,223.40 : 229,835.10 = 105,984.20 : x
  2. Step 2: Convert to fraction form
    153,223.40/229,835.10 = 105,984.20/x
  3. Step 3: Cross multiply
    153,223.40x = 229,835.10 × 105,984.20
  4. Step 4: Simplify right side
    153,223.40x = 24,358,889,205.42
  5. Step 5: Solve for x
    x = 24,358,889,205.42/153,223.40
  6. Step 6: Final answer
    x = 158,976.30

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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.