Home / 152,340.48-210,219.84-85,259.52

Finding the Fourth Proportional to 152,340.48, 210,219.84 and 85,259.52

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Solution

The fourth proportional to 152,340.48, 210,219.84 and 85,259.52 is: 117,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,340.48 : 210,219.84 = 85,259.52 : x
  2. Step 2: Convert to fraction form
    152,340.48/210,219.84 = 85,259.52/x
  3. Step 3: Cross multiply
    152,340.48x = 210,219.84 × 85,259.52
  4. Step 4: Simplify right side
    152,340.48x = 17,923,242,652.88
  5. Step 5: Solve for x
    x = 17,923,242,652.88/152,340.48
  6. Step 6: Final answer
    x = 117,652.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.