Home / 152,218.35-210,145.77-91,804.23

Finding the Fourth Proportional to 152,218.35, 210,145.77 and 91,804.23

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Solution

The fourth proportional to 152,218.35, 210,145.77 and 91,804.23 is: 126,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,218.35 : 210,145.77 = 91,804.23 : x
  2. Step 2: Convert to fraction form
    152,218.35/210,145.77 = 91,804.23/x
  3. Step 3: Cross multiply
    152,218.35x = 210,145.77 × 91,804.23
  4. Step 4: Simplify right side
    152,218.35x = 19,292,270,602.61
  5. Step 5: Solve for x
    x = 19,292,270,602.61/152,218.35
  6. Step 6: Final answer
    x = 126,740.77

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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.