Home / 125,106.95-187,659.75-30,337.06

Finding the Fourth Proportional to 125,106.95, 187,659.75 and 30,337.06

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Solution

The fourth proportional to 125,106.95, 187,659.75 and 30,337.06 is: 45,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,106.95 : 187,659.75 = 30,337.06 : x
  2. Step 2: Convert to fraction form
    125,106.95/187,659.75 = 30,337.06/x
  3. Step 3: Cross multiply
    125,106.95x = 187,659.75 × 30,337.06
  4. Step 4: Simplify right side
    125,106.95x = 5,693,045,095.34
  5. Step 5: Solve for x
    x = 5,693,045,095.34/125,106.95
  6. Step 6: Final answer
    x = 45,505.43

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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.