Home / 147,663.54-204,042.24-105,148.26

Finding the Fourth Proportional to 147,663.54, 204,042.24 and 105,148.26

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Solution

The fourth proportional to 147,663.54, 204,042.24 and 105,148.26 is: 145,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,663.54 : 204,042.24 = 105,148.26 : x
  2. Step 2: Convert to fraction form
    147,663.54/204,042.24 = 105,148.26/x
  3. Step 3: Cross multiply
    147,663.54x = 204,042.24 × 105,148.26
  4. Step 4: Simplify right side
    147,663.54x = 21,454,686,502.50
  5. Step 5: Solve for x
    x = 21,454,686,502.50/147,663.54
  6. Step 6: Final answer
    x = 145,294.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.