Home / 105,464.18-145,608.48-94,114.16

Finding the Fourth Proportional to 105,464.18, 145,608.48 and 94,114.16

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Solution

The fourth proportional to 105,464.18, 145,608.48 and 94,114.16 is: 129,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,464.18 : 145,608.48 = 94,114.16 : x
  2. Step 2: Convert to fraction form
    105,464.18/145,608.48 = 94,114.16/x
  3. Step 3: Cross multiply
    105,464.18x = 145,608.48 × 94,114.16
  4. Step 4: Simplify right side
    105,464.18x = 13,703,819,784.08
  5. Step 5: Solve for x
    x = 13,703,819,784.08/105,464.18
  6. Step 6: Final answer
    x = 129,938.14

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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.