Home / 162,421.80-243,624.06-51,605.16

Finding the Fourth Proportional to 162,421.80, 243,624.06 and 51,605.16

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Solution

The fourth proportional to 162,421.80, 243,624.06 and 51,605.16 is: 77,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,421.80 : 243,624.06 = 51,605.16 : x
  2. Step 2: Convert to fraction form
    162,421.80/243,624.06 = 51,605.16/x
  3. Step 3: Cross multiply
    162,421.80x = 243,624.06 × 51,605.16
  4. Step 4: Simplify right side
    162,421.80x = 12,572,258,596.15
  5. Step 5: Solve for x
    x = 12,572,258,596.15/162,421.80
  6. Step 6: Final answer
    x = 77,404.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.