Home / 145,029.48-217,518.27-92,282.28

Finding the Fourth Proportional to 145,029.48, 217,518.27 and 92,282.28

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Solution

The fourth proportional to 145,029.48, 217,518.27 and 92,282.28 is: 138,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,029.48 : 217,518.27 = 92,282.28 : x
  2. Step 2: Convert to fraction form
    145,029.48/217,518.27 = 92,282.28/x
  3. Step 3: Cross multiply
    145,029.48x = 217,518.27 × 92,282.28
  4. Step 4: Simplify right side
    145,029.48x = 20,073,081,897.26
  5. Step 5: Solve for x
    x = 20,073,081,897.26/145,029.48
  6. Step 6: Final answer
    x = 138,406.91

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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.