Home / 162,211.68-243,326.16-51,412.32

Finding the Fourth Proportional to 162,211.68, 243,326.16 and 51,412.32

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Solution

The fourth proportional to 162,211.68, 243,326.16 and 51,412.32 is: 77,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,211.68 : 243,326.16 = 51,412.32 : x
  2. Step 2: Convert to fraction form
    162,211.68/243,326.16 = 51,412.32/x
  3. Step 3: Cross multiply
    162,211.68x = 243,326.16 × 51,412.32
  4. Step 4: Simplify right side
    162,211.68x = 12,509,962,402.29
  5. Step 5: Solve for x
    x = 12,509,962,402.29/162,211.68
  6. Step 6: Final answer
    x = 77,121.22

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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.