Home / 98,654.74-136,156.86-55,643.06

Finding the Fourth Proportional to 98,654.74, 136,156.86 and 55,643.06

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Solution

The fourth proportional to 98,654.74, 136,156.86 and 55,643.06 is: 76,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,654.74 : 136,156.86 = 55,643.06 : x
  2. Step 2: Convert to fraction form
    98,654.74/136,156.86 = 55,643.06/x
  3. Step 3: Cross multiply
    98,654.74x = 136,156.86 × 55,643.06
  4. Step 4: Simplify right side
    98,654.74x = 7,576,184,330.39
  5. Step 5: Solve for x
    x = 7,576,184,330.39/98,654.74
  6. Step 6: Final answer
    x = 76,794.93

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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.