Home / 161,700.84-223,173.73-90,103.93

Finding the Fourth Proportional to 161,700.84, 223,173.73 and 90,103.93

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Solution

The fourth proportional to 161,700.84, 223,173.73 and 90,103.93 is: 124,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,700.84 : 223,173.73 = 90,103.93 : x
  2. Step 2: Convert to fraction form
    161,700.84/223,173.73 = 90,103.93/x
  3. Step 3: Cross multiply
    161,700.84x = 223,173.73 × 90,103.93
  4. Step 4: Simplify right side
    161,700.84x = 20,108,829,700.45
  5. Step 5: Solve for x
    x = 20,108,829,700.45/161,700.84
  6. Step 6: Final answer
    x = 124,358.23

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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.