Home / 160,394.58-221,368.75-92,421.61

Finding the Fourth Proportional to 160,394.58, 221,368.75 and 92,421.61

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Solution

The fourth proportional to 160,394.58, 221,368.75 and 92,421.61 is: 127,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,394.58 : 221,368.75 = 92,421.61 : x
  2. Step 2: Convert to fraction form
    160,394.58/221,368.75 = 92,421.61/x
  3. Step 3: Cross multiply
    160,394.58x = 221,368.75 × 92,421.61
  4. Step 4: Simplify right side
    160,394.58x = 20,459,255,494.21
  5. Step 5: Solve for x
    x = 20,459,255,494.21/160,394.58
  6. Step 6: Final answer
    x = 127,555.78

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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.