Home / 105,094.80-145,032.93-57,350.16

Finding the Fourth Proportional to 105,094.80, 145,032.93 and 57,350.16

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Solution

The fourth proportional to 105,094.80, 145,032.93 and 57,350.16 is: 79,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,094.80 : 145,032.93 = 57,350.16 : x
  2. Step 2: Convert to fraction form
    105,094.80/145,032.93 = 57,350.16/x
  3. Step 3: Cross multiply
    105,094.80x = 145,032.93 × 57,350.16
  4. Step 4: Simplify right side
    105,094.80x = 8,317,661,740.77
  5. Step 5: Solve for x
    x = 8,317,661,740.77/105,094.80
  6. Step 6: Final answer
    x = 79,144.37

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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.