Home / 210,277.40-315,420.53-75,350.26

Finding the Fourth Proportional to 210,277.40, 315,420.53 and 75,350.26

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Solution

The fourth proportional to 210,277.40, 315,420.53 and 75,350.26 is: 113,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,277.40 : 315,420.53 = 75,350.26 : x
  2. Step 2: Convert to fraction form
    210,277.40/315,420.53 = 75,350.26/x
  3. Step 3: Cross multiply
    210,277.40x = 315,420.53 × 75,350.26
  4. Step 4: Simplify right side
    210,277.40x = 23,767,017,779.54
  5. Step 5: Solve for x
    x = 23,767,017,779.54/210,277.40
  6. Step 6: Final answer
    x = 113,026.97

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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.