Home / 115,749.88-159,746.74-70,431.16

Finding the Fourth Proportional to 115,749.88, 159,746.74 and 70,431.16

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Solution

The fourth proportional to 115,749.88, 159,746.74 and 70,431.16 is: 97,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,749.88 : 159,746.74 = 70,431.16 : x
  2. Step 2: Convert to fraction form
    115,749.88/159,746.74 = 70,431.16/x
  3. Step 3: Cross multiply
    115,749.88x = 159,746.74 × 70,431.16
  4. Step 4: Simplify right side
    115,749.88x = 11,251,148,204.42
  5. Step 5: Solve for x
    x = 11,251,148,204.42/115,749.88
  6. Step 6: Final answer
    x = 97,202.25

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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.