Home / 165,445.65-248,145.05-53,111.08

Finding the Fourth Proportional to 165,445.65, 248,145.05 and 53,111.08

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Solution

The fourth proportional to 165,445.65, 248,145.05 and 53,111.08 is: 79,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,445.65 : 248,145.05 = 53,111.08 : x
  2. Step 2: Convert to fraction form
    165,445.65/248,145.05 = 53,111.08/x
  3. Step 3: Cross multiply
    165,445.65x = 248,145.05 × 53,111.08
  4. Step 4: Simplify right side
    165,445.65x = 13,179,251,602.15
  5. Step 5: Solve for x
    x = 13,179,251,602.15/165,445.65
  6. Step 6: Final answer
    x = 79,659.10

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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.