Home / 104,001.40-156,002.10-57,345.40

Finding the Fourth Proportional to 104,001.40, 156,002.10 and 57,345.40

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Solution

The fourth proportional to 104,001.40, 156,002.10 and 57,345.40 is: 86,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.40 : 156,002.10 = 57,345.40 : x
  2. Step 2: Convert to fraction form
    104,001.40/156,002.10 = 57,345.40/x
  3. Step 3: Cross multiply
    104,001.40x = 156,002.10 × 57,345.40
  4. Step 4: Simplify right side
    104,001.40x = 8,946,002,825.34
  5. Step 5: Solve for x
    x = 8,946,002,825.34/104,001.40
  6. Step 6: Final answer
    x = 86,018.10

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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.