Home / 161,943.35-223,482.13-90,328.01

Finding the Fourth Proportional to 161,943.35, 223,482.13 and 90,328.01

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Solution

The fourth proportional to 161,943.35, 223,482.13 and 90,328.01 is: 124,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,943.35 : 223,482.13 = 90,328.01 : x
  2. Step 2: Convert to fraction form
    161,943.35/223,482.13 = 90,328.01/x
  3. Step 3: Cross multiply
    161,943.35x = 223,482.13 × 90,328.01
  4. Step 4: Simplify right side
    161,943.35x = 20,186,694,730.23
  5. Step 5: Solve for x
    x = 20,186,694,730.23/161,943.35
  6. Step 6: Final answer
    x = 124,652.82

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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.