Home / 103,629.40-155,444.10-37,071.70

Finding the Fourth Proportional to 103,629.40, 155,444.10 and 37,071.70

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Solution

The fourth proportional to 103,629.40, 155,444.10 and 37,071.70 is: 55,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.40 : 155,444.10 = 37,071.70 : x
  2. Step 2: Convert to fraction form
    103,629.40/155,444.10 = 37,071.70/x
  3. Step 3: Cross multiply
    103,629.40x = 155,444.10 × 37,071.70
  4. Step 4: Simplify right side
    103,629.40x = 5,762,577,041.97
  5. Step 5: Solve for x
    x = 5,762,577,041.97/103,629.40
  6. Step 6: Final answer
    x = 55,607.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.