Home / 152,655.26-210,420.84-120,337.18

Finding the Fourth Proportional to 152,655.26, 210,420.84 and 120,337.18

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Solution

The fourth proportional to 152,655.26, 210,420.84 and 120,337.18 is: 165,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,655.26 : 210,420.84 = 120,337.18 : x
  2. Step 2: Convert to fraction form
    152,655.26/210,420.84 = 120,337.18/x
  3. Step 3: Cross multiply
    152,655.26x = 210,420.84 × 120,337.18
  4. Step 4: Simplify right side
    152,655.26x = 25,321,450,498.83
  5. Step 5: Solve for x
    x = 25,321,450,498.83/152,655.26
  6. Step 6: Final answer
    x = 165,873.42

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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.