Home / 127,885.36-176,417.58-90,181.48

Finding the Fourth Proportional to 127,885.36, 176,417.58 and 90,181.48

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Solution

The fourth proportional to 127,885.36, 176,417.58 and 90,181.48 is: 124,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,885.36 : 176,417.58 = 90,181.48 : x
  2. Step 2: Convert to fraction form
    127,885.36/176,417.58 = 90,181.48/x
  3. Step 3: Cross multiply
    127,885.36x = 176,417.58 × 90,181.48
  4. Step 4: Simplify right side
    127,885.36x = 15,909,598,462.42
  5. Step 5: Solve for x
    x = 15,909,598,462.42/127,885.36
  6. Step 6: Final answer
    x = 124,405.16

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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.