Home / 141,390.83-195,123.08-76,864.41

Finding the Fourth Proportional to 141,390.83, 195,123.08 and 76,864.41

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Solution

The fourth proportional to 141,390.83, 195,123.08 and 76,864.41 is: 106,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,390.83 : 195,123.08 = 76,864.41 : x
  2. Step 2: Convert to fraction form
    141,390.83/195,123.08 = 76,864.41/x
  3. Step 3: Cross multiply
    141,390.83x = 195,123.08 × 76,864.41
  4. Step 4: Simplify right side
    141,390.83x = 14,998,020,421.58
  5. Step 5: Solve for x
    x = 14,998,020,421.58/141,390.83
  6. Step 6: Final answer
    x = 106,074.92

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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.