Home / 135,498.06-186,988.62-75,070.02

Finding the Fourth Proportional to 135,498.06, 186,988.62 and 75,070.02

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Solution

The fourth proportional to 135,498.06, 186,988.62 and 75,070.02 is: 103,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,498.06 : 186,988.62 = 75,070.02 : x
  2. Step 2: Convert to fraction form
    135,498.06/186,988.62 = 75,070.02/x
  3. Step 3: Cross multiply
    135,498.06x = 186,988.62 × 75,070.02
  4. Step 4: Simplify right side
    135,498.06x = 14,037,239,443.17
  5. Step 5: Solve for x
    x = 14,037,239,443.17/135,498.06
  6. Step 6: Final answer
    x = 103,597.35

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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.