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Finding the Fourth Proportional to 114,316.63, 170,779.58 and 74,007.22

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Solution

The fourth proportional to 114,316.63, 170,779.58 and 74,007.22 is: 110,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,316.63 : 170,779.58 = 74,007.22 : x
  2. Step 2: Convert to fraction form
    114,316.63/170,779.58 = 74,007.22/x
  3. Step 3: Cross multiply
    114,316.63x = 170,779.58 × 74,007.22
  4. Step 4: Simplify right side
    114,316.63x = 12,638,921,948.57
  5. Step 5: Solve for x
    x = 12,638,921,948.57/114,316.63
  6. Step 6: Final answer
    x = 110,560.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.