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Finding the Fourth Proportional to 150,001.60, 225,002.40 and 86,929.60

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Solution

The fourth proportional to 150,001.60, 225,002.40 and 86,929.60 is: 130,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.60 : 225,002.40 = 86,929.60 : x
  2. Step 2: Convert to fraction form
    150,001.60/225,002.40 = 86,929.60/x
  3. Step 3: Cross multiply
    150,001.60x = 225,002.40 × 86,929.60
  4. Step 4: Simplify right side
    150,001.60x = 19,559,368,631.04
  5. Step 5: Solve for x
    x = 19,559,368,631.04/150,001.60
  6. Step 6: Final answer
    x = 130,394.40

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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.