Home / 152,407.49-210,346.41-91,986.75

Finding the Fourth Proportional to 152,407.49, 210,346.41 and 91,986.75

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Solution

The fourth proportional to 152,407.49, 210,346.41 and 91,986.75 is: 126,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,407.49 : 210,346.41 = 91,986.75 : x
  2. Step 2: Convert to fraction form
    152,407.49/210,346.41 = 91,986.75/x
  3. Step 3: Cross multiply
    152,407.49x = 210,346.41 × 91,986.75
  4. Step 4: Simplify right side
    152,407.49x = 19,349,082,630.07
  5. Step 5: Solve for x
    x = 19,349,082,630.07/152,407.49
  6. Step 6: Final answer
    x = 126,956.24

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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.