Home / 97,718.40-134,670.60-73,807.20

Finding the Fourth Proportional to 97,718.40, 134,670.60 and 73,807.20

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Solution

The fourth proportional to 97,718.40, 134,670.60 and 73,807.20 is: 101,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,718.40 : 134,670.60 = 73,807.20 : x
  2. Step 2: Convert to fraction form
    97,718.40/134,670.60 = 73,807.20/x
  3. Step 3: Cross multiply
    97,718.40x = 134,670.60 × 73,807.20
  4. Step 4: Simplify right side
    97,718.40x = 9,939,659,908.32
  5. Step 5: Solve for x
    x = 9,939,659,908.32/97,718.40
  6. Step 6: Final answer
    x = 101,717.38

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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.