Home / 102,854.12-141,881.57-59,828.76

Finding the Fourth Proportional to 102,854.12, 141,881.57 and 59,828.76

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Solution

The fourth proportional to 102,854.12, 141,881.57 and 59,828.76 is: 82,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,854.12 : 141,881.57 = 59,828.76 : x
  2. Step 2: Convert to fraction form
    102,854.12/141,881.57 = 59,828.76/x
  3. Step 3: Cross multiply
    102,854.12x = 141,881.57 × 59,828.76
  4. Step 4: Simplify right side
    102,854.12x = 8,488,598,100.81
  5. Step 5: Solve for x
    x = 8,488,598,100.81/102,854.12
  6. Step 6: Final answer
    x = 82,530.47

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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.