Home / 153,599.36-212,026.56-120,076.16

Finding the Fourth Proportional to 153,599.36, 212,026.56 and 120,076.16

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Solution

The fourth proportional to 153,599.36, 212,026.56 and 120,076.16 is: 165,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,599.36 : 212,026.56 = 120,076.16 : x
  2. Step 2: Convert to fraction form
    153,599.36/212,026.56 = 120,076.16/x
  3. Step 3: Cross multiply
    153,599.36x = 212,026.56 × 120,076.16
  4. Step 4: Simplify right side
    153,599.36x = 25,459,335,142.81
  5. Step 5: Solve for x
    x = 25,459,335,142.81/153,599.36
  6. Step 6: Final answer
    x = 165,751.57

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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.