Home / 105,391.64-145,444.50-60,076.76

Finding the Fourth Proportional to 105,391.64, 145,444.50 and 60,076.76

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Solution

The fourth proportional to 105,391.64, 145,444.50 and 60,076.76 is: 82,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,391.64 : 145,444.50 = 60,076.76 : x
  2. Step 2: Convert to fraction form
    105,391.64/145,444.50 = 60,076.76/x
  3. Step 3: Cross multiply
    105,391.64x = 145,444.50 × 60,076.76
  4. Step 4: Simplify right side
    105,391.64x = 8,737,834,319.82
  5. Step 5: Solve for x
    x = 8,737,834,319.82/105,391.64
  6. Step 6: Final answer
    x = 82,908.23

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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.