Home / 105,024.74-157,490.73-30,127.88

Finding the Fourth Proportional to 105,024.74, 157,490.73 and 30,127.88

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Solution

The fourth proportional to 105,024.74, 157,490.73 and 30,127.88 is: 45,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,024.74 : 157,490.73 = 30,127.88 : x
  2. Step 2: Convert to fraction form
    105,024.74/157,490.73 = 30,127.88/x
  3. Step 3: Cross multiply
    105,024.74x = 157,490.73 × 30,127.88
  4. Step 4: Simplify right side
    105,024.74x = 4,744,862,208.28
  5. Step 5: Solve for x
    x = 4,744,862,208.28/105,024.74
  6. Step 6: Final answer
    x = 45,178.52

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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.