Home / 125,521.60-188,281.20-30,752.20

Finding the Fourth Proportional to 125,521.60, 188,281.20 and 30,752.20

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Solution

The fourth proportional to 125,521.60, 188,281.20 and 30,752.20 is: 46,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,521.60 : 188,281.20 = 30,752.20 : x
  2. Step 2: Convert to fraction form
    125,521.60/188,281.20 = 30,752.20/x
  3. Step 3: Cross multiply
    125,521.60x = 188,281.20 × 30,752.20
  4. Step 4: Simplify right side
    125,521.60x = 5,790,061,118.64
  5. Step 5: Solve for x
    x = 5,790,061,118.64/125,521.60
  6. Step 6: Final answer
    x = 46,128.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.