Home / 210,250.35-315,425.75-70,010.19

Finding the Fourth Proportional to 210,250.35, 315,425.75 and 70,010.19

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Solution

The fourth proportional to 210,250.35, 315,425.75 and 70,010.19 is: 105,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,250.35 : 315,425.75 = 70,010.19 : x
  2. Step 2: Convert to fraction form
    210,250.35/315,425.75 = 70,010.19/x
  3. Step 3: Cross multiply
    210,250.35x = 315,425.75 × 70,010.19
  4. Step 4: Simplify right side
    210,250.35x = 22,083,016,338.34
  5. Step 5: Solve for x
    x = 22,083,016,338.34/210,250.35
  6. Step 6: Final answer
    x = 105,032.01

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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.