Home / 135,486.04-186,970.60-75,060.45

Finding the Fourth Proportional to 135,486.04, 186,970.60 and 75,060.45

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Solution

The fourth proportional to 135,486.04, 186,970.60 and 75,060.45 is: 103,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,486.04 : 186,970.60 = 75,060.45 : x
  2. Step 2: Convert to fraction form
    135,486.04/186,970.60 = 75,060.45/x
  3. Step 3: Cross multiply
    135,486.04x = 186,970.60 × 75,060.45
  4. Step 4: Simplify right side
    135,486.04x = 14,034,097,372.77
  5. Step 5: Solve for x
    x = 14,034,097,372.77/135,486.04
  6. Step 6: Final answer
    x = 103,583.35

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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.