Home / 161,641.16-223,055.94-90,008.41

Finding the Fourth Proportional to 161,641.16, 223,055.94 and 90,008.41

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Solution

The fourth proportional to 161,641.16, 223,055.94 and 90,008.41 is: 124,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,641.16 : 223,055.94 = 90,008.41 : x
  2. Step 2: Convert to fraction form
    161,641.16/223,055.94 = 90,008.41/x
  3. Step 3: Cross multiply
    161,641.16x = 223,055.94 × 90,008.41
  4. Step 4: Simplify right side
    161,641.16x = 20,076,909,385.18
  5. Step 5: Solve for x
    x = 20,076,909,385.18/161,641.16
  6. Step 6: Final answer
    x = 124,206.66

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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.