Home / 105,044.36-157,520.06-30,147.13

Finding the Fourth Proportional to 105,044.36, 157,520.06 and 30,147.13

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Solution

The fourth proportional to 105,044.36, 157,520.06 and 30,147.13 is: 45,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,044.36 : 157,520.06 = 30,147.13 : x
  2. Step 2: Convert to fraction form
    105,044.36/157,520.06 = 30,147.13/x
  3. Step 3: Cross multiply
    105,044.36x = 157,520.06 × 30,147.13
  4. Step 4: Simplify right side
    105,044.36x = 4,748,777,181.89
  5. Step 5: Solve for x
    x = 4,748,777,181.89/105,044.36
  6. Step 6: Final answer
    x = 45,207.35

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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.