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Finding the Fourth Proportional to 162,341.78, 223,886.62 and 101,918.06

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Solution

The fourth proportional to 162,341.78, 223,886.62 and 101,918.06 is: 140,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,341.78 : 223,886.62 = 101,918.06 : x
  2. Step 2: Convert to fraction form
    162,341.78/223,886.62 = 101,918.06/x
  3. Step 3: Cross multiply
    162,341.78x = 223,886.62 × 101,918.06
  4. Step 4: Simplify right side
    162,341.78x = 22,818,089,970.36
  5. Step 5: Solve for x
    x = 22,818,089,970.36/162,341.78
  6. Step 6: Final answer
    x = 140,555.87

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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.