Home / 152,345.28-210,255.30-91,950.60

Finding the Fourth Proportional to 152,345.28, 210,255.30 and 91,950.60

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Solution

The fourth proportional to 152,345.28, 210,255.30 and 91,950.60 is: 126,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,345.28 : 210,255.30 = 91,950.60 : x
  2. Step 2: Convert to fraction form
    152,345.28/210,255.30 = 91,950.60/x
  3. Step 3: Cross multiply
    152,345.28x = 210,255.30 × 91,950.60
  4. Step 4: Simplify right side
    152,345.28x = 19,333,100,988.18
  5. Step 5: Solve for x
    x = 19,333,100,988.18/152,345.28
  6. Step 6: Final answer
    x = 126,903.18

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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.