Home / 102,848.71-141,944.37-57,529.21

Finding the Fourth Proportional to 102,848.71, 141,944.37 and 57,529.21

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Solution

The fourth proportional to 102,848.71, 141,944.37 and 57,529.21 is: 79,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,848.71 : 141,944.37 = 57,529.21 : x
  2. Step 2: Convert to fraction form
    102,848.71/141,944.37 = 57,529.21/x
  3. Step 3: Cross multiply
    102,848.71x = 141,944.37 × 57,529.21
  4. Step 4: Simplify right side
    102,848.71x = 8,165,947,182.40
  5. Step 5: Solve for x
    x = 8,165,947,182.40/102,848.71
  6. Step 6: Final answer
    x = 79,397.66

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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.