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Finding the Fourth Proportional to 153,323.53, 229,907.53 and 70,146.25

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Solution

The fourth proportional to 153,323.53, 229,907.53 and 70,146.25 is: 105,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,323.53 : 229,907.53 = 70,146.25 : x
  2. Step 2: Convert to fraction form
    153,323.53/229,907.53 = 70,146.25/x
  3. Step 3: Cross multiply
    153,323.53x = 229,907.53 × 70,146.25
  4. Step 4: Simplify right side
    153,323.53x = 16,127,151,076.26
  5. Step 5: Solve for x
    x = 16,127,151,076.26/153,323.53
  6. Step 6: Final answer
    x = 105,183.80

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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.