Home / 97,665.24-134,768.70-77,570.76

Finding the Fourth Proportional to 97,665.24, 134,768.70 and 77,570.76

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Solution

The fourth proportional to 97,665.24, 134,768.70 and 77,570.76 is: 107,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,665.24 : 134,768.70 = 77,570.76 : x
  2. Step 2: Convert to fraction form
    97,665.24/134,768.70 = 77,570.76/x
  3. Step 3: Cross multiply
    97,665.24x = 134,768.70 × 77,570.76
  4. Step 4: Simplify right side
    97,665.24x = 10,454,110,483.21
  5. Step 5: Solve for x
    x = 10,454,110,483.21/97,665.24
  6. Step 6: Final answer
    x = 107,040.24

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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.