Home / 161,900.94-223,424.01-90,280.74

Finding the Fourth Proportional to 161,900.94, 223,424.01 and 90,280.74

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Solution

The fourth proportional to 161,900.94, 223,424.01 and 90,280.74 is: 124,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,900.94 : 223,424.01 = 90,280.74 : x
  2. Step 2: Convert to fraction form
    161,900.94/223,424.01 = 90,280.74/x
  3. Step 3: Cross multiply
    161,900.94x = 223,424.01 × 90,280.74
  4. Step 4: Simplify right side
    161,900.94x = 20,170,884,956.57
  5. Step 5: Solve for x
    x = 20,170,884,956.57/161,900.94
  6. Step 6: Final answer
    x = 124,587.82

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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.