Home / 145,525.08-200,822.52-81,862.92

Finding the Fourth Proportional to 145,525.08, 200,822.52 and 81,862.92

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Solution

The fourth proportional to 145,525.08, 200,822.52 and 81,862.92 is: 112,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,525.08 : 200,822.52 = 81,862.92 : x
  2. Step 2: Convert to fraction form
    145,525.08/200,822.52 = 81,862.92/x
  3. Step 3: Cross multiply
    145,525.08x = 200,822.52 × 81,862.92
  4. Step 4: Simplify right side
    145,525.08x = 16,439,917,888.96
  5. Step 5: Solve for x
    x = 16,439,917,888.96/145,525.08
  6. Step 6: Final answer
    x = 112,969.65

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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.