Home / 202,485.45-279,432.87-117,602.51

Finding the Fourth Proportional to 202,485.45, 279,432.87 and 117,602.51

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Solution

The fourth proportional to 202,485.45, 279,432.87 and 117,602.51 is: 162,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,485.45 : 279,432.87 = 117,602.51 : x
  2. Step 2: Convert to fraction form
    202,485.45/279,432.87 = 117,602.51/x
  3. Step 3: Cross multiply
    202,485.45x = 279,432.87 × 117,602.51
  4. Step 4: Simplify right side
    202,485.45x = 32,862,006,888.50
  5. Step 5: Solve for x
    x = 32,862,006,888.50/202,485.45
  6. Step 6: Final answer
    x = 162,293.18

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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.