Home / 98,858.22-136,444.95-90,887.82

Finding the Fourth Proportional to 98,858.22, 136,444.95 and 90,887.82

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Solution

The fourth proportional to 98,858.22, 136,444.95 and 90,887.82 is: 125,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,858.22 : 136,444.95 = 90,887.82 : x
  2. Step 2: Convert to fraction form
    98,858.22/136,444.95 = 90,887.82/x
  3. Step 3: Cross multiply
    98,858.22x = 136,444.95 × 90,887.82
  4. Step 4: Simplify right side
    98,858.22x = 12,401,184,055.51
  5. Step 5: Solve for x
    x = 12,401,184,055.51/98,858.22
  6. Step 6: Final answer
    x = 125,444.14

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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.