Home / 148,790.40-205,366.46-85,165.08

Finding the Fourth Proportional to 148,790.40, 205,366.46 and 85,165.08

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Solution

The fourth proportional to 148,790.40, 205,366.46 and 85,165.08 is: 117,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,790.40 : 205,366.46 = 85,165.08 : x
  2. Step 2: Convert to fraction form
    148,790.40/205,366.46 = 85,165.08/x
  3. Step 3: Cross multiply
    148,790.40x = 205,366.46 × 85,165.08
  4. Step 4: Simplify right side
    148,790.40x = 17,490,050,995.22
  5. Step 5: Solve for x
    x = 17,490,050,995.22/148,790.40
  6. Step 6: Final answer
    x = 117,548.25

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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.