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Finding the Fourth Proportional to 117,805.04, 162,566.16 and 64,089.08

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Solution

The fourth proportional to 117,805.04, 162,566.16 and 64,089.08 is: 88,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,805.04 : 162,566.16 = 64,089.08 : x
  2. Step 2: Convert to fraction form
    117,805.04/162,566.16 = 64,089.08/x
  3. Step 3: Cross multiply
    117,805.04x = 162,566.16 × 64,089.08
  4. Step 4: Simplify right side
    117,805.04x = 10,418,715,633.53
  5. Step 5: Solve for x
    x = 10,418,715,633.53/117,805.04
  6. Step 6: Final answer
    x = 88,440.32

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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.