Home / 152,525.96-210,493.58-87,971.18

Finding the Fourth Proportional to 152,525.96, 210,493.58 and 87,971.18

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Solution

The fourth proportional to 152,525.96, 210,493.58 and 87,971.18 is: 121,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,525.96 : 210,493.58 = 87,971.18 : x
  2. Step 2: Convert to fraction form
    152,525.96/210,493.58 = 87,971.18/x
  3. Step 3: Cross multiply
    152,525.96x = 210,493.58 × 87,971.18
  4. Step 4: Simplify right side
    152,525.96x = 18,517,368,615.02
  5. Step 5: Solve for x
    x = 18,517,368,615.02/152,525.96
  6. Step 6: Final answer
    x = 121,404.70

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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.