Home / 145,083.40-217,600.03-38,468.10

Finding the Fourth Proportional to 145,083.40, 217,600.03 and 38,468.10

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Solution

The fourth proportional to 145,083.40, 217,600.03 and 38,468.10 is: 57,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,083.40 : 217,600.03 = 38,468.10 : x
  2. Step 2: Convert to fraction form
    145,083.40/217,600.03 = 38,468.10/x
  3. Step 3: Cross multiply
    145,083.40x = 217,600.03 × 38,468.10
  4. Step 4: Simplify right side
    145,083.40x = 8,370,659,714.04
  5. Step 5: Solve for x
    x = 8,370,659,714.04/145,083.40
  6. Step 6: Final answer
    x = 57,695.50

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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.