Home / 125,182.76-187,774.10-30,412.36

Finding the Fourth Proportional to 125,182.76, 187,774.10 and 30,412.36

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Solution

The fourth proportional to 125,182.76, 187,774.10 and 30,412.36 is: 45,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,182.76 : 187,774.10 = 30,412.36 : x
  2. Step 2: Convert to fraction form
    125,182.76/187,774.10 = 30,412.36/x
  3. Step 3: Cross multiply
    125,182.76x = 187,774.10 × 30,412.36
  4. Step 4: Simplify right side
    125,182.76x = 5,710,653,527.88
  5. Step 5: Solve for x
    x = 5,710,653,527.88/125,182.76
  6. Step 6: Final answer
    x = 45,618.53

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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.