Home / 152,634.57-210,598.14-91,400.88

Finding the Fourth Proportional to 152,634.57, 210,598.14 and 91,400.88

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Solution

The fourth proportional to 152,634.57, 210,598.14 and 91,400.88 is: 126,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,634.57 : 210,598.14 = 91,400.88 : x
  2. Step 2: Convert to fraction form
    152,634.57/210,598.14 = 91,400.88/x
  3. Step 3: Cross multiply
    152,634.57x = 210,598.14 × 91,400.88
  4. Step 4: Simplify right side
    152,634.57x = 19,248,855,322.36
  5. Step 5: Solve for x
    x = 19,248,855,322.36/152,634.57
  6. Step 6: Final answer
    x = 126,110.72

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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.