Home / 162,154.30-223,758.18-90,521.14

Finding the Fourth Proportional to 162,154.30, 223,758.18 and 90,521.14

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Solution

The fourth proportional to 162,154.30, 223,758.18 and 90,521.14 is: 124,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154.30 : 223,758.18 = 90,521.14 : x
  2. Step 2: Convert to fraction form
    162,154.30/223,758.18 = 90,521.14/x
  3. Step 3: Cross multiply
    162,154.30x = 223,758.18 × 90,521.14
  4. Step 4: Simplify right side
    162,154.30x = 20,254,845,537.93
  5. Step 5: Solve for x
    x = 20,254,845,537.93/162,154.30
  6. Step 6: Final answer
    x = 124,910.94

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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.