Home / 161,943.80-223,482.83-90,328.46

Finding the Fourth Proportional to 161,943.80, 223,482.83 and 90,328.46

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Solution

The fourth proportional to 161,943.80, 223,482.83 and 90,328.46 is: 124,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,943.80 : 223,482.83 = 90,328.46 : x
  2. Step 2: Convert to fraction form
    161,943.80/223,482.83 = 90,328.46/x
  3. Step 3: Cross multiply
    161,943.80x = 223,482.83 × 90,328.46
  4. Step 4: Simplify right side
    161,943.80x = 20,186,858,301.29
  5. Step 5: Solve for x
    x = 20,186,858,301.29/161,943.80
  6. Step 6: Final answer
    x = 124,653.48

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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.