Home / 105,254.64-145,250.82-57,506.76

Finding the Fourth Proportional to 105,254.64, 145,250.82 and 57,506.76

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Solution

The fourth proportional to 105,254.64, 145,250.82 and 57,506.76 is: 79,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,254.64 : 145,250.82 = 57,506.76 : x
  2. Step 2: Convert to fraction form
    105,254.64/145,250.82 = 57,506.76/x
  3. Step 3: Cross multiply
    105,254.64x = 145,250.82 × 57,506.76
  4. Step 4: Simplify right side
    105,254.64x = 8,352,904,045.54
  5. Step 5: Solve for x
    x = 8,352,904,045.54/105,254.64
  6. Step 6: Final answer
    x = 79,359.01

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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.