Home / 152,531.64-210,486.06-85,450.68

Finding the Fourth Proportional to 152,531.64, 210,486.06 and 85,450.68

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Solution

The fourth proportional to 152,531.64, 210,486.06 and 85,450.68 is: 117,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,531.64 : 210,486.06 = 85,450.68 : x
  2. Step 2: Convert to fraction form
    152,531.64/210,486.06 = 85,450.68/x
  3. Step 3: Cross multiply
    152,531.64x = 210,486.06 × 85,450.68
  4. Step 4: Simplify right side
    152,531.64x = 17,986,176,957.52
  5. Step 5: Solve for x
    x = 17,986,176,957.52/152,531.64
  6. Step 6: Final answer
    x = 117,917.68

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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.