Home / 144,264.72-216,208.56-104,417.92

Finding the Fourth Proportional to 144,264.72, 216,208.56 and 104,417.92

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Solution

The fourth proportional to 144,264.72, 216,208.56 and 104,417.92 is: 156,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,264.72 : 216,208.56 = 104,417.92 : x
  2. Step 2: Convert to fraction form
    144,264.72/216,208.56 = 104,417.92/x
  3. Step 3: Cross multiply
    144,264.72x = 216,208.56 × 104,417.92
  4. Step 4: Simplify right side
    144,264.72x = 22,576,048,121.40
  5. Step 5: Solve for x
    x = 22,576,048,121.40/144,264.72
  6. Step 6: Final answer
    x = 156,490.43

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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.