Home / 148,820.48-205,374.13-80,838.59

Finding the Fourth Proportional to 148,820.48, 205,374.13 and 80,838.59

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Solution

The fourth proportional to 148,820.48, 205,374.13 and 80,838.59 is: 111,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,820.48 : 205,374.13 = 80,838.59 : x
  2. Step 2: Convert to fraction form
    148,820.48/205,374.13 = 80,838.59/x
  3. Step 3: Cross multiply
    148,820.48x = 205,374.13 × 80,838.59
  4. Step 4: Simplify right side
    148,820.48x = 16,602,153,660.61
  5. Step 5: Solve for x
    x = 16,602,153,660.61/148,820.48
  6. Step 6: Final answer
    x = 111,558.26

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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.