Home / 103,920.46-143,398.04-58,595.74

Finding the Fourth Proportional to 103,920.46, 143,398.04 and 58,595.74

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Solution

The fourth proportional to 103,920.46, 143,398.04 and 58,595.74 is: 80,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,920.46 : 143,398.04 = 58,595.74 : x
  2. Step 2: Convert to fraction form
    103,920.46/143,398.04 = 58,595.74/x
  3. Step 3: Cross multiply
    103,920.46x = 143,398.04 × 58,595.74
  4. Step 4: Simplify right side
    103,920.46x = 8,402,514,268.35
  5. Step 5: Solve for x
    x = 8,402,514,268.35/103,920.46
  6. Step 6: Final answer
    x = 80,855.25

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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.