Home / 162,087.84-223,683.62-90,473.31

Finding the Fourth Proportional to 162,087.84, 223,683.62 and 90,473.31

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Solution

The fourth proportional to 162,087.84, 223,683.62 and 90,473.31 is: 124,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,087.84 : 223,683.62 = 90,473.31 : x
  2. Step 2: Convert to fraction form
    162,087.84/223,683.62 = 90,473.31/x
  3. Step 3: Cross multiply
    162,087.84x = 223,683.62 × 90,473.31
  4. Step 4: Simplify right side
    162,087.84x = 20,237,397,041.82
  5. Step 5: Solve for x
    x = 20,237,397,041.82/162,087.84
  6. Step 6: Final answer
    x = 124,854.51

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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.