Home / 162,051.18-223,641.86-90,445.16

Finding the Fourth Proportional to 162,051.18, 223,641.86 and 90,445.16

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Solution

The fourth proportional to 162,051.18, 223,641.86 and 90,445.16 is: 124,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,051.18 : 223,641.86 = 90,445.16 : x
  2. Step 2: Convert to fraction form
    162,051.18/223,641.86 = 90,445.16/x
  3. Step 3: Cross multiply
    162,051.18x = 223,641.86 × 90,445.16
  4. Step 4: Simplify right side
    162,051.18x = 20,227,322,239.96
  5. Step 5: Solve for x
    x = 20,227,322,239.96/162,051.18
  6. Step 6: Final answer
    x = 124,820.58

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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.