Home / 105,073.26-145,001.58-57,327.60

Finding the Fourth Proportional to 105,073.26, 145,001.58 and 57,327.60

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Solution

The fourth proportional to 105,073.26, 145,001.58 and 57,327.60 is: 79,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,073.26 : 145,001.58 = 57,327.60 : x
  2. Step 2: Convert to fraction form
    105,073.26/145,001.58 = 57,327.60/x
  3. Step 3: Cross multiply
    105,073.26x = 145,001.58 × 57,327.60
  4. Step 4: Simplify right side
    105,073.26x = 8,312,592,577.61
  5. Step 5: Solve for x
    x = 8,312,592,577.61/105,073.26
  6. Step 6: Final answer
    x = 79,112.35

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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.