Home / 148,543.20-204,990.48-84,883.32

Finding the Fourth Proportional to 148,543.20, 204,990.48 and 84,883.32

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Solution

The fourth proportional to 148,543.20, 204,990.48 and 84,883.32 is: 117,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,543.20 : 204,990.48 = 84,883.32 : x
  2. Step 2: Convert to fraction form
    148,543.20/204,990.48 = 84,883.32/x
  3. Step 3: Cross multiply
    148,543.20x = 204,990.48 × 84,883.32
  4. Step 4: Simplify right side
    148,543.20x = 17,400,272,510.79
  5. Step 5: Solve for x
    x = 17,400,272,510.79/148,543.20
  6. Step 6: Final answer
    x = 117,139.48

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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.