Home / 152,407.48-210,346.42-91,986.76

Finding the Fourth Proportional to 152,407.48, 210,346.42 and 91,986.76

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Solution

The fourth proportional to 152,407.48, 210,346.42 and 91,986.76 is: 126,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,407.48 : 210,346.42 = 91,986.76 : x
  2. Step 2: Convert to fraction form
    152,407.48/210,346.42 = 91,986.76/x
  3. Step 3: Cross multiply
    152,407.48x = 210,346.42 × 91,986.76
  4. Step 4: Simplify right side
    152,407.48x = 19,349,085,653.40
  5. Step 5: Solve for x
    x = 19,349,085,653.40/152,407.48
  6. Step 6: Final answer
    x = 126,956.27

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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.